Comprehensive Clinical Surgery Examination Guide

Complete Study Material Based on S. Das Manual - Acute Abdomen and Abdominal Lumps

1. Examination of an Acute Abdomen (Complete)

2. Examination of an Abdominal Lump (Complete)

3. Differential Diagnoses with Clinical Details

4. Investigation Protocols

5. Clinical Pearls and Red Flags

Part 1: Examination of an Acute Abdomen

Introduction

An acute abdomen is one of the most challenging and common presentations in surgical practice. The mortality rate from acute abdomen depends on how early the diagnosis is made and how rapidly appropriate treatment is instituted. Some conditions like ruptured ectopic gestation, perforated peptic ulcer, or mesenteric vascular occlusion can be fatal if not recognized and treated promptly.

The term "acute abdomen" refers to a constellation of acute intra-abdominal or extra-abdominal conditions that present with acute symptoms and require urgent evaluation and often immediate surgical intervention. The key to management lies in a systematic, methodical approach to history taking and physical examination, supported by appropriate investigations.

Section 1: History Taking

Part A: Patient Particulars

Before asking about the presenting complaint, establish basic demographic information about the patient. This foundation is crucial because many surgical conditions have specific predilections based on age, gender, occupation, residence, and social status.

Age and Its Significance

Age is one of the first clues in forming a differential diagnosis:

In Infants and Young Children:

- Congenital anomalies may present acutely

- Intussusception is the most common cause of acute abdomen in children between 6 months to 3 years

- Acute appendicitis is relatively rare before age 5

- Wilms' tumor of the kidney may present acutely

- Acute osteomyelitis of the spine or long bones can cause referred abdominal pain

In Adolescence and Young Adults (15 to 30 years):

- Acute appendicitis reaches peak incidence between 20 to 30 years

- In females, ruptured ovarian cysts and ectopic pregnancies are important diagnoses

- Males present with appendicitis, pancreatitis, and obstruction

In Middle-Aged Adults (30 to 60 years):

- Acute cholecystitis becomes more common (especially in females)

- Peptic ulcer disease and perforation peaks in males aged 40 to 60

- Acute pancreatitis increases in incidence, often related to biliary disease or alcohol

- Diverticulitis becomes more common after age 40

- Aortic aneurysm becomes more likely

In Elderly ( greater than 60 years):

- Acute mesenteric ischemia and aortic aneurysm become common, serious diagnoses

- Acute cholecystitis continues to be common

- Acute diverticulitis increases in frequency

- Acute appendicitis is rare but still occurs; however, the presentation may be atypical

- Incarcerated/strangulated hernias become more common due to lax abdominal walls

Gender and Gender-Specific Conditions

In Males:

- Appendicitis, peptic ulcer perforation, pancreatitis, and bowel obstruction are more common

- Testicular torsion and epididymitis can present as abdominal pain

- Inguinal and femoral hernias with strangulation are more common than in females

In Females:

- Gynecological emergencies are absolutely critical:

- Ruptured ectopic gestation (can present identically to acute appendicitis)

- Ruptured ovarian cyst (especially Lutein cyst)

- Twisted ovarian cyst

- Acute salpingitis (P.I.D)

- Tubo-ovarian abscess

- Torsion or necrobiosis of uterine fibroid

- Standard abdominal emergencies (appendicitis, cholecystitis, pancreatitis) also occur

- Pregnant females can develop obstetric emergencies masked as acute abdomen

Occupation and Social Status

Occupational Predilections:

- Peptic ulcer disease is more common in individuals under stress (high-level executives, professionals)

- Repetitive strain injuries can precipitate hernia development

- Certain occupations with dietary predilections increase specific disease risk

Social Status Effects:

- Low socioeconomic status: Associated with late presentation of peptic ulcer disease because patients ignore early symptoms. These patients present with perforation more commonly than those with higher socioeconomic status.

- High socioeconomic status: Acute appendicitis is actually more common in this group, possibly due to dietary factors (low residue diet is incriminated)

- Access to healthcare affects presentation timing

Residence and Geographic Distribution

Certain diseases have specific geographic predilections that must be considered:

India:

- Filariasis: Common in Orissa; causes acute abdominal pain via retroperitoneal lymphangitis

- Leprosy: Common in Bankura district of West Bengal

- Gallbladder disease: Much more common in West Bengal and Bangladesh

- Peptic ulcer disease: More common in northwestern and southern parts of India (spicy food consumption)

- T.B abdominalis: Endemic in many regions; can present as acute abdomen

Other Regions:

- Bilharziasis: Common in Egypt; can cause acute exacerbations

- Sleeping sickness: Africa

- Hydatid disease: Sheep-rearing districts of Australia, Greece, Turkey, ee-rahn, Iraq, U.K

- Tropical diseases (amoebiasis, tropical pancreatitis): Tropical countries

- Kangri cancer: Peculiar to Kashmiri people (abdominal wall cancer from carrying hot kangri)

Part B: Chief Complaints - Pain (The Cornerstone of Diagnosis)

Pain is the primary complaint in most acute abdominal presentations. The character, location, onset, and progression of pain provide crucial diagnostic clues. The patient's description of pain should be listened to carefully and systematically analyzed using the following framework.

1. Time of Onset - When Did the Pain Start?

The time of onset can be diagnostically useful:

Acute Appendicitis:

- Typically starts in the early morning hours

- Wakes the patient from sleep (especially in obstructive appendicitis)

- Patient remembers exact time usually

Peptic Ulcer Perforation:

- Usually occurs in the afternoon, often after lunch

- However, patient is brought to hospital at night

- The interval between perforation and admission can be confusing

Colic (Biliary, Renal, Intestinal):

- Can occur at any time

- Often nocturnal in biliary colic

- May be precipitated by specific factors (meal in biliary, jolting in renal)

Acute Cholecystitis:

- Often starts after a fatty meal

- Usually evening or night

- May last several hours to days

Pancreatitis:

- Often starts after a heavy meal or alcohol binge

- Can occur at any time of day

2. Mode of Onset - How Did It Start?

The mode of onset helps differentiate between different conditions:

Sudden Onset (Like a thunderbolt): This indicates acute perforation, rupture, or vascular event:

- Perforated peptic ulcer: Sudden onset of severe pain, often with description of "something giving way" or "sudden blow to abdomen"

- Colic (biliary, renal, intestinal): Sudden onset, pain reaches maximum rapidly

- Torsion (ovarian cyst, testis): Sudden onset, severe

- Volvulus: Sudden onset

- Ruptured ectopic pregnancy: Sudden onset, often with syncope or near-syncope

- Mesenteric vascular occlusion: Sudden onset, severe pain

- Ruptured aortic aneurysm: Sudden onset, catastrophic presentation

Gradual Onset (Slowly building): This indicates inflammatory processes:

- Acute appendicitis: Starts mild, gradually increases in severity

- Non-obstructive type: Gradual onset, boring pain

- Obstructive type: Can be more acute, waking patient

- Acute cholecystitis: Starts with discomfort, gradually becomes severe

- Acute pancreatitis: Gradually increasing severity

- Peritonitis from perforation: The perforation is sudden, but spread of peritonitis occurs over hours

- Acute salpingitis: Gradual onset

Precipitating Factors:

Understanding what triggered the acute presentation is important:

- Purgative administration: Can precipitate acute appendicitis by increasing intraluminal pressure and worsening obstruction

- Straining at stool or during urination: Can precipitate perforation of a peptic ulcer

- Jolting or sudden movements: Can precipitate ureteric colic, pelvic appendicitis pain

- Heavy meal: Can precipitate biliary colic, acute cholecystitis, pancreatitis

- Alcohol binge: Can precipitate acute pancreatitis

- Intercourse: Can precipitate ectopic rupture or ovarian torsion in females

3. Duration - How Long Has the Pain Been Present?

Duration gives information about the nature and progression:

Acute presentation (Hours to 1 to 2 days):

- Acute appendicitis (early)

- Colic (minutes to hours, but recurrent)

- Perforation

- Volvulus

- Intussusception

Subacute presentation (Several days):

- Appendicitis (after onset)

- Acute cholecystitis

- Acute salpingitis

- Emerging peritonitis from appendicitis

Pattern of Pain:

First episode ever: Think acute, primary condition Recurrent episodes of similar pain with varying intensity over years: This is highly suggestive of:

- Chronic appendicitis (recurrent attacks before acute presentation)

- Biliary colic (recurrent episodes of pain before acute cholecystitis develops)

- Recurrent pancreatitis (chronic pancreatitis with acute exacerbation)

- Peptic ulcer disease (history of recurrent pain before perforation)

The history of intermittent attacks over time is very valuable in diagnosis.

4. Site of Pain - Localization Using the "Pointing Test"

Site of pain is one of the most important diagnostic clues. Use the "pointing test":

Technique: Ask the patient: "Show me with the tip of one finger exactly where the pain is worst."

Why one finger? Because:

- If pain is localized, patient points with one finger

- If pain is diffuse, patient uses whole hand

- Diffuse pain suggests peritonitis

Anatomical Sites and Their Significance:

Right Hypochondriac Region (Below right costal margin):

- Suggests liver or gallbladder pathology

- Acute cholecystitis

- Hepatitis

- Liver abscess

- Right lower lobe pneumonia (referred pain)

Epigastric Region:

- Peptic ulcer disease

- Acute pancreatitis

- Gastritis

- Aortic aneurysm

- Early appendicitis (visceral pain)

Left Hypochondriac Region:

- Renal colic (left)

- Splenic pathology

- Left lower lobe pneumonia

Right Lumbar Region:

- Renal colic (right)

- Pyelonephritis

- Appendicitis (retrocaecal position)

Periumbilical Region:

- Gastroenteritis

- Small bowel obstruction

- Early appendicitis (visceral pain from appendix)

- Aortic aneurysm

Left Lumbar Region:

- Renal colic (left)

- Descending colon pathology

Right Iliac Fossa:

- Classic site for appendicitis

- Inguinal hernia

- Regional ileitis (Crohn's disease)

- Caecal disease

Hypogastrium:

- Bladder pathology

- Gynecological pathology

- Lower bowel obstruction

Left Iliac Fossa:

- Sigmoid colon disease

- Gynecological pathology (left ovary, fallopian tube)

Diffuse Pain (Using whole hand):

- Suggests generalized peritonitis

- Indicates serious condition

5. Shifting of Pain - Does the Pain Move?

This is one of the most diagnostically useful pieces of information. Pain that shifts from one location to another tells a story of disease progression.

pathnuhmonik Shifting in Acute apendisitis:

This is almost diagnostic:

1. Initial phase: Pain felt in periumbilical region or around the umbilicus

- This is because the appendix develops from the midgut embryologically

- Visceral innervation of the appendix is via T.9-T.10 segments

- Pain from visceral innervation is felt at the midline (periumbilical area)

2. Second phase: Pain shifts to the right iliac fossa

- As inflammation progresses, the appendix irritates the parietal peritoneum

- Parietal peritoneal pain is localized to the site of inflammation

- Since the appendix is in the right iliac fossa, pain is now felt there

- This shifting of pain is seen in 50 to 70% of appendicitis cases

Why is this shift so valuable? If a patient tells you: "The pain started around my belly button and then moved to my right side," you can be 90% confident the diagnosis is acute appendicitis. This single piece of history clinches the diagnosis.

Other Examples of Shifting Pain:

In Peptic Ulcer Perforation:

- Initial pain in right hypochondriac region (site of perforation)

- Pain then radiates toward the right iliac fossa

- Occurs as gastric contents gravitate down the right paracolic gutter under gravity

- Can mimic appendicitis—this is why careful history is crucial

6. Radiation of Pain - Spreading of Pain

Pain that spreads from the initial site to other areas indicates progression of disease.

In Spreading Peritonitis:

- Pain starts in the region of the affected organ

- Then gradually spreads all over the abdomen

- Indicates generalized peritoneal inflammation

- Bad sign

Specific Examples:

Peptic Ulcer Perforation:

- Initially felt at the site of perforation (right hypochondriac)

- Spreads as gastric contents spill into peritoneum

- Eventually felt all over abdomen

Appendicitis:

- Initially periumbilical

- Radiates to right iliac fossa

- If perforation occurs, pain radiates all over abdomen (spreading peritonitis)

7. Referred Pain - Pain Felt at Distance from Source

Referred pain is felt at a location distant from the actual site of pathology because of shared nerve supply segments.

Anatomical Basis: Referred pain follows segmental innervation of the body.

Visceral Organ Segmental Supply (Remember these!):

- Stomach, duodenum, jejunum: T 5 through T 8 segments arrow Pain referred to epigastrium

- Ileum and appendix: T 9 to T 10 segments to Pain referred to periumbilical region

- Colon: T 11 to T 12, L 1 to L 2 segments to Pain referred to hypogastrium

- Rectum and lower colon: S 2 through S 4 segments to Pain referred to sacral region

most Important Referred Pain - dyufragmatik Irritation:

This is critical and frequently tested:

The diaphragm is supplied by the phrenic nerve, which originates from C.3, C.4, and C.5 spinal nerves.

The skin over the shoulder and upper chest is also supplied by the same segments (via supraclavicular nerves C.3-C.4).

Therefore: Any irritation of the diaphragm leads to referred pain to the shoulder

Examples of Diaphragmatic Irritation:

- Subphrenic abscess

- Blood under diaphragm (from splenic rupture, ruptured ectopic)

- Bile under diaphragm (after biliary surgery complications)

- Inflammatory exudate

- Air under diaphragm (perforation)

Clinical Test for Diaphragmatic Irritation:

- Raise the foot end of the bed by 18 inches

- This allows irritating substances to gravitate toward the undersurface of diaphragm

- Increases diaphragmatic irritation

- Patient experiences increased shoulder pain

- Positive test suggests subphrenic pathology

Other Important Referred Pains:

Renal Colic:

- Pain originates from the loin

- Referred to the groin, testis, and inner side of thigh

- Via the genitofemoral nerve (L.1-L.2)

- These same segments supply the ureter

- This is why ureteric colic causes pain in this distribution

Biliary Colic:

- Originates from right hypochondrium

- Radiates to the inferior angle of the right scapula

- Occasionally to right shoulder

- Gallbladder supplied by T.7-T.9 thoracic segments

- Back structures in same segments receive the referral

Key Point: Understanding referred pain prevents misdiagnosis. A patient with subphrenic abscess might complain primarily of shoulder pain, misleading the clinician if abdominal examination is not thorough.

8. Character of Pain - What Is the Pain Like?

The character/type of pain is highly diagnostic and divides conditions into different categories.

Colicky Pain (Sharp, Griping, Cramping, Intermittent):

Description:

- Comes on suddenly and reaches peak intensity quickly

- Disappears suddenly or gradually subsides

- Often crescendo-decrescendo pattern

- Patient may be restless during attack

What Does Colicky Pain Mean? It indicates obstruction to a hollow organ—the organ contracts against the obstruction, then relaxes, creating the wave of pain.

Conditions Causing Colicky Pain:

1. Intestinal colic (acute bowel obstruction)

- Small bowel: Waves every 3 to 5 minutes, each lasting 20 to 30 seconds

- Large bowel: Waves every 10 to 15 minutes

2. Biliary colic (stone in common bile duct)

- Severe colicky pain in right hypochondrium

- May last 30 minutes to several hours

- Patient often rolls around seeking relief

3. Renal/ureteric colic (stone in ureter)

- Excruciating colicky pain

- From loin to groin

- Patient often unable to find position of comfort

Constant Burning Pain:

Description:

- Persistent, doesn't come and go

- Feels like burning sensation

- Constant regardless of movement

What Does This Mean? Indicates peritoneal irritation/inflammation

Conditions:

- Peritonitis (any cause)

- Perforated peptic ulcer (classic)

- Acute pancreatitis

- Acute cholecystitis

Severe Agonizing Pain:

Description:

- Extremely severe pain

- Worst possible pain patient has experienced

- Often described as unbearable

What Does This Mean? Suggests major organ involvement or vascular event

Conditions:

- Acute pancreatitis (classically described as most severe)

- Torsion (ovarian, testicular)

- Mesenteric ischemia (pain out of proportion to findings)

- Ruptured aortic aneurysm

- Perforated peptic ulcer (initial severe pain)

Throbbing Pain:

Description:

- Pain that pulses with heartbeat

- Comes and goes with pulse

What Does This Mean? Suggests inflammation or suppuration (pus formation)

Conditions:

- Acute cholecystitis

- Hepatitis

- Liver abscess

- Any organ with inflammation/abscess

Sharp Stabbing Pain:

- Perforation (initial)

- Volvulus

- Torsion

- Infarction

Dull Aching Pain:

- Non-obstructive appendicitis

- Chronic inflammation

- Early appendicitis

Important: Change in Character of Pain

Change in character is very significant:

Colicky Pain to Constant Burning Pain:

- Indicates strangulation in bowel obstruction

- Change from mechanical to ischemic

- Emergency—tissue is dying

Constant Pain  Diminished Pain:

- not always a good sign!

- In appendicitis: May indicate perforation of gangrenous appendix

- In peptic perforation: Second stage—pain diminishes as irritant gastric contents dilute with peritoneal exudate

- Patient feels better but condition worsening

- "Deceptive improvement"

9. Effect of Pressure on Pain

Simple question: "Does pressing on the pain make it better or worse?"

Pressure Relieves Pain:

- Seen in colic

- Biliary, ureteric, intestinal colic all relieved by pressure

- Patient tries to press with hand or curl up to apply pressure

- Indicates hollow organ obstruction

Pressure Aggravates Pain:

- Seen in inflammatory conditions

- Peritonitis

- Peritoneal irritation

- Palpation increases pain

This is useful to differentiate colic from peritonitis.

10. Relationship of Pain to Specific Movements

Ask about how specific activities affect the pain:

Jolting and Walking Aggravate Pain in:

- Amoebic hepatitis

- Cholecystitis

- Appendicitis

- Some cases of ureteric colic

- Reason: These conditions involve peritoneal irritation; movement jostles the inflamed peritoneum

Deep Inspiration and Coughing Aggravate Pain in:

- Diaphragmatic pleurisy

- Right lower lobe pneumonia (referred to abdomen)

- Reason: Movement of diaphragm irritates inflamed pleura

Pain During mikchurishun ("Strangury" - Painful, frequent urination):

- Seen in:

- Ureteric colic (stone passing through lower ureter near bladder)

- Pelvic appendicitis (appendix close to bladder)

- Pelvic abscess

- Pelvic peritonitis

- Cystitis

Pain Worse on Lie Down:

- Acute pancreatitis (pain worse when lying flat, better sitting up)

- Some peritonitis cases

Pain Better on Lie Down:

- Appendicitis, cholecystitis, peritonitis (patient prefers to lie still)

11. Aggravating and Relieving Factors

What makes pain worse and what makes it better provides diagnostic clues:

Factors that Aggravate Pain:

In Peritonitis:

- Any movement worsens pain

- Coughing worsens pain

- Patient prefers to lie still

- Bed-shaking test will cause pain

In Diaphragmatic Irritation:

- Deep inspiration worsens pain

- Coughing worsens pain

- Reason: Movement of diaphragm increases irritation

In Cholecystitis:

- Fatty foods aggravate pain

- Reason: Fatty meals stimulate gallbladder contraction against stone

- This is why patients with biliary colic often avoid fatty foods

In Peptic Ulcer Disease:

- Alcohol aggravates pain

- Spicy foods aggravate pain

- Aspirin and N.S.A.I.D's aggravate pain

- Acidic foods aggravate pain

- Reason: These increase acid secretion or irritate ulcer base

In Hiatus Hernia/Reflux Esophagitis:

- Stooping or bending forward aggravates pain

- Lying flat aggravates symptoms

- Reason: Increases reflux of acid

Factors that Relieve Pain:

In Peptic Ulcer Disease:

- Antacids give relief

- Alkali gives relief

- Food gives relief (temporarily)

- This is classically taught: "Ulcer pain is relieved by food and alkali"

In Colics:

- Local pressure application relieves pain temporarily

- Patient tries to apply pressure with hand or curl up

- Heat may give relief

In Pancreatitis:

- Sitting up from recumbent position gives some relief

- This is characteristic

- Patient sits with knees flexed (fetal position)

In Peptic Ulcer (Unusual):

- Vomiting sometimes relieves pain

- Bizarre but true—as vomiting empties the irritant acid from stomach

Key Point: Character, location, radiation, and factors affecting pain together form a clinical picture that often leads to diagnosis.

12. Vomiting

Vomiting is the second major complaint in acute abdomen. Details about vomiting help in diagnosis.

A. Character of the Act - How Does Vomiting Occur?

Projectile Vomiting (Forceful, Involuntary):

Description:

- Forceful ejection of vomitus

- Large quantity expelled

- No retching or warning

- Vomitus can project significant distance

What Does This Indicate? Indicates high-pressure within the stomach or increased intracranial pressure

Conditions:

- High intestinal obstruction (duodenal/proximal jejunal)

- Stomach distends and contracts forcefully

- Vomitus ejected forcefully

- Toxic enteritis

- Pyloric obstruction/stenosis (in infants)

Clinical Pearl: Projectile vomiting in a patient with abdominal pain and distension suggests high small bowel obstruction.

Quiet regurgitashun (Mouthfuls, Non-forceful):

Description:

- Vomitus just comes out without force

- Mouthfuls only

- No projectile component

- Doesn't wake other patients

What Does This Indicate? Indicates lower pressure, often in peritonitis or lower obstruction

Conditions:

- Perforated peptic ulcer

- Generalized peritonitis (any cause)

- Lower small bowel obstruction

Clinical Pearl: The Character of vomiting helps localize the problem.

B. vomitus Content - What's Being Vomited?

The content of what's being vomited tells you about the level of obstruction:

in Acute Intestinal Obstruction (Progressive Pattern):

This is one of the most important teaching points—the progression of vomitus content tells the level and progression of obstruction:

First stage (Early):

- Gastric content: Ingested food, fluid, particles from stomach

- Patient vomited what they ate recently

Second stage (Progressive):

- Bilious content (yellowish-greenish): Duodenal content

- Bile has entered the vomitus

- Indicates obstruction is progressing, food from duodenum being pushed back

Third stage (Advanced):

- Feculent content (dark, foul-smelling): Intestinal content

- Indicates obstruction is at lower small bowel or large bowel level

- Bacteria-rich fluid

- Indicates serious condition

Important Point: "True fecal vomiting" (actual feces being vomited) is rare. When feculent vomitus is described, it means small intestinal content with bacteria, not true feces.

True Fecal Vomiting (Rare):

- Seen in gastrocolic fistula

- Seen in extremely late bowel obstruction

Timeline: It takes approximately 3 to 4 days of complete intestinal obstruction before truly feculent vomitus appears. If a patient hasn't vomited feculent material, it means diagnosis was made relatively early.

in Biliary Colic:

- Vomitus is usually bilious (greenish-yellow)

- Indicates bile has reached stomach

in Peptic Ulcer Disease:

- Vomitus contains gastric contents (food, fluid, sometimes blood)

- If bleeding present, may contain coffee-ground material (altered blood)

in Late peritunitis:

- Vomitus becomes dark brown, feculent, mixed with altered blood

- Indicates end-stage peritonitis

- This vomitus also seen in uraemia

C. Frequency and Quantity of Vomiting

The pattern of vomiting is diagnostic:

Constant, Frequent, and Profuse Vomiting:

Indicates serious obstruction:

- Acute intestinal obstruction (proximal)

- Patient vomits repeatedly

- Large quantities

- Multiple episodes per hour initially

- Acute pancreatitis

- Constant, profuse vomiting

- Severely dehydrating

- Often refractory to antiemetics

Periodic Vomiting:

- Peptic ulcer disease (chronic)

- Between vomiting episodes, patient may feel better

- Vomiting often relieves pain temporarily

in Peptic Ulcer Perforation (Peculiar Pattern):

First stage:

- May vomit once or twice

- Not a prominent feature

Second stage (Stage of reaction):

- Vomiting more or less absent

- Patient feels better (deceptive!)

- Pain relieved

Third stage (Diffuse peritonitis):

- Vomiting may reappear

- With characteristic dark, feculent vomitus mixed with blood

- Sign of end-stage disease

in Acute apendisitis:

- May or may not have vomiting

- But nausea is almost always present

- Both nausea and vomiting characteristic if appendix is pre-ileal or post-ileal

in High Intestinal Obstruction:

- Vomiting is often the first symptom

- Appears early

- Frequent and profuse

in Large Bowel Obstruction:

- Vomiting is late or absent initially

- Reason: More time for reflux vomiting to develop

- Takes longer for vomitus to become feculent

D. Relationship of Vomiting with Pain

When vomiting occurs relative to pain onset is diagnostically useful:

Pain Precedes Vomiting (Most Common Pattern):

Pain starts first, vomiting follows:

- Acute appendicitis

- Pain precedes vomiting by hours

- Acute pancreatitis

- Pain precedes vomiting

- Peptic ulcer disease

- Pain precedes vomiting

- Biliary colic

- Pain precedes vomiting

- Renal colic

- Pain precedes vomiting

This sequence helps differentiate from gastroenteritis where pain and vomiting start simultaneously.

Vomiting and Pain Simultaneous:

Pain and vomiting start together:

- High intestinal obstruction

- Gastroenteritis

- Acute gastritis

- Suggests primary gastric/upper G.I problem

Vomiting Precedes Pain:

- Unusual pattern

- Not typical of acute abdomen

in Obstruction of the Lower ILEUM:

- Vomiting delayed

- May not occur in the beginning

- Only occurs after several hours or days

in Large Bowel Obstruction:

- Vomiting absent or very late feature

- Reason: Ileocecal valve delays reflux

Effect of Vomiting on Pain:

Vomiting Relieves Pain:

- Peptic ulcer (vomiting empties irritant acid)

- Unusual benefit from vomiting

Vomiting Temporarily Relieves Pain:

- In colics (biliary, renal, intestinal)

- Relief is temporary

- Pain reappears immediately after vomiting

Vomiting Does not Relieve Pain:

- Peritonitis (pain persists despite vomiting)

- Appendicitis (pain may persist or worsen)

Part C: Chief Complaints - Bowel Habits

Absolute Constipation

"Absolute constipation" means complete arrest of both feces and flatus (inability to pass stool or gas).

What Does Absolute Constipation Indicate?

It indicates serious intra-abdominal pathology affecting bowel motility:

Most Common Causes:

- Acute intestinal obstruction (the classic sign)

- Peritonitis (from any cause)

- General peritonitis causes bowel paralysis

- Bowel doesn't move (paralytic ileus)

Important Caveat:

- Absence of recent constipation should not exclude appendicitis or other acute conditions

- Patient might have had normal bowel movement in morning, symptoms start afternoon

- Constipation takes time to develop (24+ hours)

- Don't delay diagnosis waiting for constipation

in Acute apendisitis:

- History of constipation is often present

- But not always

unusual presentation in Obstruction:

- One motion in beginning of intestinal obstruction is not uncommon

- Patient has one stool, then complete cessation

Special Cases Where Constipation Isn't Absolute:

In Pelvic Appendicitis or Pelvic Abscess:

- Instead of constipation, patient may have diarrhea

- Due to irritation of rectum

- Or may have tenesmus (ineffectual straining with passage of mucus and blood)

In Children with Intussusception:

- Red flag: Passage of mucus and blood per rectum + intestinal obstruction symptoms

- This is characteristic finding

- Blood and mucus ("red-currant jelly" stool)

In Mesenteric Vascular Occlusion:

- May have diarrhea

- And passage of blood and putrid stool

- Indicates dead bowel

In Acute Ulcerative Colitis:

- Diarrhea (not constipation)

- Bloody diarrhea

- Mucoid stool

In Regional Ileitis (Crohn's Disease):

- Diarrhea (not constipation)

- Mucous stool

- History of recurrent symptoms

In Acute Enteritis:

- Diarrhea

Part D: Chief Complaints - mikchurishun

"Strangury" - Painful Micturition

"Strangury" means painful, frequent, urgent urination with passage of only small quantities each time.

What Does This Indicate?

Irritation or inflammation of the bladder or ureter.

But Important: Strangury does not always mean urinary tract disease—it can be referred from adjacent inflamed structures.

Causes of Strangury in Acute Abdomen:

1. Ureteric Colic:

- Stone impacted in lower end of ureter

- Irritates bladder as it passes

- Classic strangury

2. Bladder Stone:

- Direct bladder irritation

- Strangury present

3. Inflammatory Conditions Near Ureter/Bladder:

- Retrocaecal appendicitis

- Appendix lies close to ureter and bladder

- Inflammation irritates urinary structures

- Pelvic appendicitis

- Even closer to bladder

- Pelvic peritonitis

- Pelvic abscess

hemetyurya (Blood in Urine):

Important Pitfall:

- Retrocaecal appendicitis lying very close to ureter can cause hematuria

- Patient may have both abdominal pain and blood in urine

- Can mislead clinician into thinking it's primarily urinary pathology

- Careful history (abdominal pain starting periumbilical, shifting to right iliac fossa) and positive Rovsing's sign will clarify

Part E: Personal History (Critical in Women)

Menstrual History (In Women - never Miss This!)

This is absolutely critical for female patients with acute abdomen. Many gynecological emergencies masquerade as acute abdomen.

missed period + Acute abdominal Pain:

- This combination is ectopic gestation until proven otherwise

- Ruptured ectopic can present exactly like perforated appendicitis

- Severe sudden pain in lower abdomen

- Shock

- May have vaginal bleeding

Pain in middle of menstrual cycle + Symptoms of acute appendicitis:

- Suspect ruptured Lutein (follicular) cyst

- Ovulation occurs around day 14

- Rupture of corpus luteum cyst causes acute pain

- Can mimic appendicitis

- But history of missed period is absent

Duration of Menstrual Cycle:

- Abnormal cycle suggests gynecological pathology

- Heavy, prolonged periods history

- Irregular periods

Last Menstrual Period (L.M.P):

- Crucial information

- Determines pregnancy status (even if not known by patient)

- L.M.P + positive pregnancy test with abdominal pain = potential ectopic

Contraceptive Use:

- Increased risk of ectopic with I.U.D

- Progesterone-only pill increases ectopic risk

Vaginal Discharge:

- Purulent discharge suggests P.I.D or salpingitis

- Bloody discharge suggests ectopic

Other Personal History:

Smoking Habits:

- Increases risk of peptic ulcer disease

- Increases risk of pancreatitis

- Increases surgical risk

Alcoholic Habits:

- Major risk for pancreatitis

- Associated with peptic ulcer

- Associated with liver cirrhosis

Sexual History:

- Relevant for P.I.D, salpingitis

- Risk factors for S.T.I's

Part F: Past History

Perforation of Peptic Ulcer:

Look for preceding history:

- Previous ulcer pain: Recurrent epigastric pain before perforation

- Hematemesis: Vomiting of blood (indicates bleeding ulcer)

- Melena: Black tarry stools (digested blood from upper G.I)

- These indicate chronic ulcer disease, now perforiating

Acute Appendicitis, Biliary Colic, Renal Colic:

- History of previous similar attacks is often present

- Patient may not connect previous episodes with current acute illness

- "I had this same pain 2 years ago and it went away"

- Suggests recurrent/chronic process now acutely exacerbating

Acute Intestinal Obstruction:

- Previous abdominal surgery: This is crucial

- Adhesions from prior surgery are common cause of obstruction

- Hernia from previous incisions

- Patients may not volunteer this information unless asked directly

- Always ask: "Have you had any previous abdominal operations?"

Acute Cholecystitis:

- Past history of biliary colic: Recurrent episodes before acute cholecystitis

- Previous high fever: May indicate previous acute cholecystitis episode that resolved

- Previous jaundice: Suggests history of biliary obstruction

Section 2: Physical Examination

Part A: General Survey

Before examining the abdomen, evaluate the patient's general condition. Systemic signs often provide clues to diagnosis.

1. Appearance - The "Facies"

The appearance of the face often tells the story of the acute abdomen before any examination is performed.

"abdominal fay-sheez" (Characteristic Expression):

This is a specific appearance seen in acute abdominal conditions:

- Anxious look: Eyes wide, fearful expression

- Bright eyes: Alert, though anxious

- Pinched face: Sharpened features, drawn appearance

- Cold sweat: Beads of perspiration on forehead and face

- Pallor: Pale skin

This combination of features is called "abdominal facies" and is recognized by experienced clinicians to differentiate acute abdominal cases from other conditions causing acute symptoms.

"fay-sheez hippokratika (Terminal Peritonitis):

This is the appearance in end-stage peritonitis:

- Recognized when seen

- Never forgotten once seen

- Indicates end-stage disease

- Prognosis grave

fay-sheez of dehydration:

- Sunken eyes: Eyes appear recessed into sockets

- Drawn cheeks: Loss of soft tissue

- Dry tongue: Parched appearance

- Indicates significant fluid loss (multiple episodes of vomiting, diarrhea)

sy-uh-no-sis (Bluish Appearance):

- Slight bluish/livid tinge of face

- Unusual in acute abdomen but when present is very significant

- Pathognomonic for acute hemorrhagic pancreatitis

- Indicates massive pancreatic necrosis with hemorrhage

- Not common but highly specific

pallor (Extreme Paleness) + Gasping Respiration:

- In a woman of childbearing age

- Should raise suspicion of ruptured tubal (ectopic) gestation

- Indicates massive hemorrhage and shock

- Pallor from blood loss

- Gasping from hypovolemic shock

- Requires emergency surgery

Facial Injury or Trauma:

- Look for signs of recent trauma

- May indicate blunt abdominal injury

2. Attitude - How is the Patient Lying?

Observation of patient's position and movements provides diagnostic clues.

The patient's willingness or reluctance to move tells you whether pain is from colic or peritonitis.

in Colic (Hollow organ obstruction):

Patient is restless:

- Tossing on the bed: Constant movement, can't find comfortable position

- Doubled up: Holding abdomen, knees drawn up

- Rolling in agony: Seeking vain position of comfort

- Can't be still: Movements increase then decrease, looking for relief

- Patient may stand, pace, change positions frequently

Why this behavior?

- Colicky pain is intermittent—comes and goes in waves

- During pain waves, patient moves to seek relief

- Between waves, some relief permits movement

- Patient is not frightened to move—they're seeking relief through movement

in peritunitis (Inflammation of peritoneum):

Patient is absolutely Quiet:

- Lies still: Prefers complete immobility

- Minimal movements: Any movement increases pain

- Prefers to lie flat: Especially with knees flexed (reduces tension on peritoneum)

- Frightened to move: Knows movement will cause pain

- May hold breath or move only when necessary

Why this behavior?

- Peritonitis pain is constant, worsened by any movement

- Any jostling of peritoneum increases pain

- Immobility is the patient's strategy to reduce pain

- This is a protective mechanism

in Late/TERMINAL peritunitis or Post-operative peritunitis:

Patient becomes highly excitable:

- Contrary to earlier peritonitis pattern

- Patient throws off bed clothes

- Tosses head

- Grumbles, complains continuously

- Ineffective movements of hands and feet (thrashing)

- Nothing gives comfort

- State of high agitation

- Indicates sepsis/toxemia

Clinical Pearl: The patient's behavior often tells you the diagnosis before you examine the abdomen.

- Restless = Likely colic

- Quiet = Likely peritonitis

- Excitable = Likely septic

3. Pulse - Rate, Volume, and Tension

The pulse provides information about cardiovascular status and severity of illness.

early stage of many Acute conditions:

Surprisingly, pulse is often normal despite serious pathology:

- Acute intestinal obstruction: Pulse remains normal initially

- Acute hemorrhagic pancreatitis: Pulse normal early

- Perforation of peptic ulcer: Pulse normal in first few hours

- Acute appendicitis: Some variation, but pulse can be normal initially

Important Point: Normal pulse does not exclude serious disease. However, tachycardia when present is significant.

in Acute apendisitis:

- Pulse rate is actually a good diagnostic guide

- Pulse rises as inflammation progresses

- In early appendicitis: May be normal

- As appendicitis progresses: Pulse gradually increases

- With perforation: Pulse increases more rapidly

Clinical Pearl: Some patients unable to localize pain precisely show diagnostic changes in pulse rate—this helps in diagnosis.

in internal hemorrhage:

- Pulse becomes immediately rapid

- Additionally: pulse becomes weak, thready, and small

- This constellation = shock pattern

- Red flag for hemorrhagic emergency

in Peptic Perforation (Progressive Pattern):

Early (First stage):

- Pulse may be normal or slightly elevated

With spreading peritonitis:

- Pulse quickens progressively

- Pulse becomes small in volume

- Indicates worsening peritonitis and shock

in Acute Intestinal Obstruction (Progressive Pattern):

Early:

- Pulse remains normal

With dehydration:

- Volume decreases: Weaker pulse

- Tension falls: Lower blood pressure

- Rate increases: Tachycardia develops

- Does not return to normal: Unlike simple colic

- Pulse keeps rising—indicates worsening dehydration

Clinical Pearl: A rising pulse in the setting of acute obstruction indicates dehydration and poor prognosis if fluid resuscitation not started.

4. Respiration - Rate and Character

Respiratory changes provide clues about severity and nature of condition.

Generally in Acute Abdomen:

- High respiratory rate is relatively rare

- Except in internal hemorrhage and late peritonitis

- Tachypnea is more common in medical conditions than surgical

normal respiration:

- Maintained in most acute abdominal conditions initially

increased respiratory rate (Tachypnea):

Possible causes:

- High temperature: Elevated temperature increases metabolic rate

- If temperature is high, respiratory rate rises proportionally

- Shock/Hemorrhage: Hypovolemia increases respiratory rate

- Pain-related: Severe pain can cause tachypnea

- Metabolic acidosis: From shock, ischemia

Red Flag - Alae Nasi Working:

- Flaring of nostrils with each breath

- Indicates respiratory distress

- Direct attention to the chest, not the abdomen

- Suggests thoracic pathology being referred to abdomen

- Conditions like pneumonia, pleurisy can mimic acute abdomen

Characteristic Breathing Patterns:

- Shallow breathing: Patient guards against deep breathing due to pain

- Splinted respiration: Restricted movement due to peritoneal irritation

- Rapid, shallow breathing: Shock pattern

Important: Many acute abdominal conditions can present with referred pain to chest/thorax, causing respiratory symptoms. If patient has worked alae nasi and tachypnea, examine chest carefully for pneumonia, pleurisy, spontaneous pneumothorax.

5. Temperature - Fever Pattern

Temperature is a late sign in most acute abdominal emergencies.

Murphy's Syndrome in Acute Appendicitis (Classic Teaching Point):

Sequence of symptoms in appendicitis:

1. Pain (comes first, often before fever)

2. Vomiting (comes second)

3. Fever (comes third—latest of the three)

The sequence is: Pain to Vomiting to Fever

This sequence is pathognomonic for appendicitis.

Temperature Patterns in Different Conditions:

Acute Appendicitis:

- Fever quite high, especially in children

- Normal range: 37.5 to 39 degrees Celsius

- In children can reach 39 to 40 degrees Celsius

Acute Cholecystitis:

- Moderate rise in temperature

- Usually 37.5 to 38.5 degrees Celsius

- Not as high as appendicitis

Acute Pancreatitis:

- Temperature may not be significantly raised

- Often only mild fever or normal

- May be out of proportion to severity of illness

Acute Diverticulitis:

- May not show significant temperature rise

- Often only mild fever

Important - Temperature Is a Late Sign:

Rise of temperature occurs late in the disease, not early. This is crucial:

- In acute appendicitis: Pain wakes patient in morning before fever develops

- Don't wait for fever to make diagnosis

- Diagnosis must be made on pain characteristics

- Temperature confirms diagnosis but absence doesn't exclude it

Absent or Minimal Fever Does not Exclude Serious Pathology:

- Perforated peptic ulcer may have only mild fever initially

- Appendicitis may present without fever

- Early acute pancreatitis may be afebrile

6. Tongue - Index of Digestive System State

The tongue provides quick assessment of hydration status and toxemia.

Observations to Make:

dry tongue:

- Indicates dehydration

- From vomiting, sweating, fluid loss

moist, pink tongue:

- Suggests good hydration

- Normal finding

coated tongue:

- Indicates gastric content coating

- Seen in gastroenteritis, peptic ulcer

dry, brown tongue:

- Indicates toxemia

- Sign of severe systemic infection

- Indicates need for aggressive management

In Early Appendicitis:

- Even at early stage, tongue may be dry and thinly coated

- Due to vomiting and dehydration

- Also from reduced oral intake as patient feels unwell

Clinical Pearl: Checking the tongue takes 10 seconds but provides valuable information about hydration and toxemia status.

7. Anemia, Cyanosis, and Jaundice

Look for these important signs systematically:

pallor (Pale appearance):

- Indicates anemia or hemorrhage

- In acute hemorrhagic conditions like:

- Ruptured ectopic gestation: Severe pallor from massive hemorrhage

- Ruptured Lutein cyst: Variable pallor

- Splenic rupture: Severe pallor

- Where to look: Lower palpebral conjunctiva (red part of eye inside lower lid), mucous membranes of lips, nail beds, palmar creases

sy-uh-no-sis (Bluish tint):

- Peripheral cyanosis: Blue appearance of extremities and nails

- Central cyanosis: Blue appearance of tongue and mucous membranes

- In acute abdomen: Characteristic of hemorrhagic acute pancreatitis

- Indicates massive pancreatic necrosis with bleeding

- Not common but highly specific finding

jaundice (Yellowish tint):

- Often follows biliary colic when stone passes

- Occasionally seen in acute pancreatitis

- Pancreas swells, compressing bile duct

- Or from associated cholangitis

- Look for in: Sclera (white of eyes—best place), nail beds, lobule of ear, tip of nose, under-surface of tongue

Icterus (Deep jaundice):

- Seen in obstructive jaundice when longstanding

- Bile pigment accumulates in skin

- Produces dark olive-greenish-yellow tint

- Associated scratch marks from pruritis (itching from bile salts)

Differentiation of Jaundice from Hypercarotenemia:

- Hypercarotenemia: Yellow pigment in face, palms, soles but not in sclera

- Jaundice: Yellow pigment in sclera, skin, mucous membranes

- Seen in vegetarians eating excessive carrots

Part B: Examination of the Abdomen - Inspection

Patient Position: Supine (lying flat on back) with legs extended Exposure: Entire abdomen from nipples above to saphenous openings (at groin) below

- This exposes inguinal and femoral rings Lighting: Good light, preferably natural daylight Examiner's Approach: Systematic, starting from specific areas

Inspect All Hernial Orifices First - Critical Rule

This is unconventional (usually hernias examined last) but absolutely crucial.

Why Start Here?

The rule is: "Left for last, it may be missed, and actual cause of acute abdomen may remain in the dark."

Think About It: A patient with acute pain from strangulated inguinal hernia can be rapidly operated. But if examination is incomplete and hernia missed, diagnosis delayed.

Hernial Sites to Examine:

1. Inguinal rings (bilateral) - must examine both sides

2. Femoral rings (bilateral) - must examine both sides

3. Umbilical region

4. Previous surgical scars (sites of incisional hernias)

What to Look For:

- Obvious swelling/bulge: Indicates hernia

- Irreducibility: Can the bulge be pushed back in?

- Redness at site: Indicates strangulation

- Local tenderness: Indicates inflammation

- Cough impulse: Can you feel the hernia increase when patient coughs?

Strangulation Signs:

- Redness of overlying skin

- Excessive tenderness

- Hard, tense feel

- If present = surgical emergency

2. Contour of the Abdomen - Shape and Distension

Observe the overall shape and symmetry of the abdomen.

normal contour:

- Soft, smooth outline

- Symmetrical

- No bulges or depressions

distension:

The pattern of distension tells you the level of obstruction:

in Acute Intestinal Obstruction:

When does distension appear?

- Distension occurs gradually

- Takes time to develop

- May not be evident in early stages

- May need hours for enough gas to accumulate

Pattern of distension:

- Central distension (around umbilicus and epigastrium): Small bowel obstruction

- Peripheral distension (flanks, lateral abdominal walls): Large bowel obstruction

- Regional distension (localized area): Volvulus of sigmoid colon or caecum

immediate distension:

- Seen in volvulus of sigmoid colon or volvulus of caecum

- Distension appears almost immediately

- Indicates complete obstruction with massive gas accumulation

in Peptic Perforation (2nd stage):

- Slight distension may become evident

- Due to free gas in peritoneum

- Not marked

normal contour (Despite Acute Pathology): These conditions have normal or unchanged contour:

- Biliary colic: Normal contour (no obstruction to bowel)

- Acute cholecystitis: Normal contour

- Acute appendicitis: Normal contour (unless perforation/peritonitis)

- Renal colic: Normal contour

- Early peritonitis: May be normal, becomes distended late

skafoid abdomen (Drawn in):

- Seen in severe dehydration or malnutrition

- Not acute finding

protuberant abdomen:

- Chronic finding (ascites, obesity)

- Not acute

3. Respiratory Movements of Abdominal Wall

Observe how the abdominal wall moves with breathing.

Normally, the abdominal wall expands with inspiration and contracts with expiration.

normal respiratory movement:

- Visible expansion and contraction

- Symmetrical

- Indicates no peritoneal irritation

sluggish respiratory movement:

- Abdominal wall moves very little with breathing

- Indicates widespread peritoneal irritation

- Seen in:

- Diffuse peritonitis (perforation of peptic ulcer, generalized peritonitis)

- Massive hemorrhage into peritoneal cavity (ruptured ectopic gestation)

- Peritoneum is irritated, patient guards against movement

- Protective mechanism

absent respiratory movement:

- Abdominal wall completely still with breathing

- Severe peritoneal irritation

- End-stage peritonitis

localized limitation of respiratory movement:

- Only the area over the inflammation shows reduced movement

- Indicates localized peritoneal irritation

- Seen in:

- Acute cholecystitis: Right upper quadrant shows limitation

- Appendicitis: Right lower quadrant shows limitation

- Indicates localized inflammation under that area

4. Peristaltic Movements - Visible Bowel Waves

Look carefully for visible waves of intestinal contraction.

normal: No peristaltic waves visible (though sounds present on auscultation)

the "Ladder Pattern" (or "Ladder-Like" Peristalsis):

Description:

- Horizontal bands or waves visible moving across abdomen

- Look like rungs of a ladder

- Move from left to right or right to left

- Indicate small bowel loops

- Each wave corresponds to one loop contracting

What Does This Indicate?

- Pathognomonic for small bowel obstruction

- Indicates loops are trying to push past obstruction

- Visible because bowel is dilated and contains air

How to Elicit:

- Watch the abdomen patiently for several minutes

- Patient may be asked to cough or move gently to stimulate

- Gentle flicking of abdominal wall may initiate visible peristalsis

- Don't miss this important sign

Clinical Pearl: Take time to look for peristalsis. A patient lying quietly with visible peristaltic waves + distension + colicky pain = bowel obstruction.

5. Pulsating Swellings - Look for Aneurysm

Look for any visible pulsations over the abdomen.

pulsating swelling:

- Visible, rhythmic bulge that pulses with heartbeat

- Indicates aneurysm

abdominal aortic aneurysm:

- Presents with acute abdominal pain

- Leaking or ruptured A.A.A is a surgical emergency

- Visible pulsating mass in epigastrium or slightly left of midline

- Indicates rupture imminent or in progress

- Requires immediate surgery

femoral artery aneurysm:

- Presents as pulsating mass in groin

- Can present with acute pain if rupturing

splenic artery aneurysm:

- Rare

- Pulsating mass in left upper quadrant

6. Skin Changes - Discoloration and Marks

Examine skin carefully for changes indicating serious pathology.

grey Turners sign (Discoloration in Flank):

Description:

- Greyish or bluish discoloration of skin over the flank

- Usually left flank

- Indicates extensive retroperitoneal hemorrhage

What Does This Indicate?

- Acute hemorrhagic pancreatitis

- Indicates massive pancreatic necrosis with bleeding into retroperitoneum

- Extravasation of blood causes skin discoloration

- Late finding—indicates advanced disease

- Poor prognosis

Cullens sign (Discoloration Around Umbilicus):

Description:

- Bluish or purplish discoloration around the umbilicus

- Indicates hemorrhage

- May extend above umbilicus

What Does This Indicate?

- Acute hemorrhagic pancreatitis

- Same significance as Grey Turner's sign

- Indicates massive pancreatic destruction

- Blood tracking into abdominal wall

- Late finding with poor prognosis

Both signs (Grey Turner's + Cullen's) together = Advanced hemorrhagic pancreatitis with extensive necrosis.

local redness or blisters:

- At site of pain

- Indicates patient has applied hot water bottle or heating pad

- Not directly diagnostic but informatory

- Patient was trying to get pain relief

scars:

- Previous surgical scars

- Important for history of previous operations

- Sites of possible adhesions or incisional hernias

stree-ee (Stretch marks):

- Linear marks on skin

- Purple/red if fresh

- White if old

- Indicates chronic distension or rapid growth (pregnancy, tumors)

visible veins:

- Prominent/distended veins over abdomen

- Indicates venous obstruction or liver cirrhosis

rashes:

- Look for herpes zoster (shingles)—can mimic acute cholecystitis

- Look for purpura—can indicate disseminated infection

Part C: Examination of the Abdomen - Palpation

Palpation is where you actually feel the abdomen and gather most diagnostic information.

technique - absolutely crucial:

Proper technique is essential to avoid introducing voluntary muscle guarding and to elicit true findings:

1. Use volar surfaces of fingers (Flexor surfaces—not fingertips)

- Flat hand on abdomen, not poking

2. Forearm horizontal at level of abdomen

- Not vertical/perpendicular

3. Gentle movements:

- "Pill-rolling" movements (gentle, slow)

- Not rough, aggressive palpation

- Rough palpation causes voluntary muscle contraction

4. Keep hands warm:

- Cold hands cause patient to tense up

- Warm hands gain patient confidence

5. Patient position:

- Supine, legs extended or slightly flexed

- Head on pillow (comfortable)

- Patient relaxed

6. Clinician's demeanor:

- Gentle, confident

- Explain what you're doing

- Warn before deep palpation

- Gain patient trust

Why This Matters?

If you poke roughly with fingers vertical:

- Patient's abdominal muscles contract involuntarily (guarding)

- True findings masked

- Can't differentiate voluntary from involuntary rigidity

- Diagnosis missed

1. Hyperesthesia - Cutaneous Sensitivity

Sometimes cutaneous (skin) hypersensitivity can be elicited.

Sherrens triangle:

Anatomy:

- Triangle formed by three lines:

1. Line from anterior superior iliac spine to umbilicus

2. Line from anterior superior iliac spine to midaxillary line

3. Line connecting these (from umbilicus to midaxillary line)

- This triangle overlies the inguinal ligament and groin area

- Lateral to the usual site of appendiceal tenderness

Significance:

- Hyperesthesia in Sherren's triangle is seen in acute appendicitis

- Indicates inflammatory process affecting overlying skin nerves

- Not present in all cases but when present is supportive

How to Elicit:

- Lightly run your finger over the skin

- Patient reports increased sensitivity

- Compare with opposite side

2. Tenderness - Point of Maximum Tenderness

Tenderness is the most important finding in palpation.

Localized Tenderness:

- Shows where inflammation is

- Look for exact point of maximum tenderness

in Acute apendisitis:

McBurney's Point:

- Located at junction of lateral and middle third of line from anterior superior iliac spine to umbilicus

- This is the typical location of appendiceal base

- Where appendiceal inflammation is felt

Technique:

- Identify A.S.I.S (anterior superior iliac spine)

- Identify umbilicus

- Imagine line between them

- Divide into thirds

- McBurney's point is at junction of lateral and middle third

- Typically corresponds to right iliac fossa

Tenderness at McBurney's point plus Shifting of pain periumbilical to right iliac fossa equals Appendicitis

but (Important):

- McBurney's point tenderness may be absent if appendix is atypical position

- Retrocaecal appendix: Tenderness in loin/right flank

- Pelvic appendix: No anterior wall tenderness; rectal examination shows tenderness

- Pre-ileal appendix: Tenderness variable

3. Rebound Tenderness (Blumberg's Sign)

This indicates peritoneal inflammation—one of the most important physical findings.

Technique:

1. Press slowly and steadily into abdomen at a point away from tenderness

- Opposite side of abdomen from suspected inflammation

- Press slowly to avoid guarding

2. Press for several seconds (2 to 3 seconds)

3. Suddenly release the pressure

- Quick, sudden withdrawal of hand

- Watch patient's face and listen for cry

4. Positive test: Patient experiences sharp pain on release

- May cry out

- Guarding develops immediately

What Does Rebound Mean?

When you release suddenly, the peritoneum that was being compressed rebounds back. If inflamed, this rebound movement causes sharp pain.

What Does It Indicate?

Peritonitis - inflammation of the peritoneum

Conditions:

- Acute appendicitis (with peritoneal inflammation)

- Perforated peptic ulcer

- Any acute peritonitis

Clinical Pearl:

- Rebound tenderness = peritoneal irritation = serious condition

- Patient requires urgent treatment

Alternative Method (Gentle):

- Ask patient to cough

- If coughing causes sharp abdominal pain = guarding/peritonitis

- This is gentle alternative to rebound test

4. Rovsing's Sign

This is highly suggestive of appendicitis when positive.

Technique:

1. Place hand over ascending colon (left lower abdomen)

- Left iliac fossa region

- Over the colon

2. Press upward (in direction of colon's course—toward cecum)

- This would push fecal contents and gas toward cecum

3. Compression pushes abdominal contents into the terminal ileum and cecum

4. Watch for response:

- If appendicitis present, inflammation of appendix irritates peritoneum

- Pushing contents toward the inflamed appendix stimulates it

- Patient experiences pain in right iliac fossa

What Does Positive Rovsing's Sign Mean?

- Highly suggestive of acute appendicitis

- Shows that inflamed appendiceal area responds to stimulation

- Not always present, but when present is very helpful

Why It Works:

- You're essentially stimulating the inflamed appendix indirectly

- If appendicitis, appendix is irritable and responds with pain

5. Bed-Shaking Test

This test uses patient movement to elicit peritoneal irritation.

Technique:

1. Ask patient to cough or

2. Ask patient to gently shake/jiggle the bed

3. Watch for patient's reaction

Positive Test:

- Patient experiences sharp abdominal pain

- May cry out

- Guarding develops

What Does It Mean?

- Indicates peritoneal irritation

- Movement of abdominal wall and viscera irritates inflamed peritoneum

- Similar principle to rebound tenderness

- Indicates serious pathology

Clinical Significance:

- Patient will prefer to lie absolutely still

- Pain on movement is protective—tells patient to not move

- Opposite of colic patient who moves constantly

6. Psoas Test (For Retrocaecal Appendicitis)

This test is specific for identifying retrocaecal appendicitis.

Anatomy: Retrocaecal appendix lies against the psoas major muscle on the posterior abdominal wall.

Technique:

1. Place your hand on patient's right flank (over the loin)

2. Ask patient to raise right lower limb off the bed while keeping knee extended

- This action contracts the psoas major muscle

- Hip flexion brings the muscle into contraction

3. Watch for response:

- In psoas irritation: Patient experiences pain in right iliac fossa

- Indicates inflammation has spread to involve the psoas muscle

What Does Positive Test Mean?

- Retrocaecal appendicitis

- Appendix lies in retroperitoneal position close to psoas

- Inflammation irritates the muscle

- Muscle contraction stretches the inflamed area

- Causes pain

Clinical Significance:

- Retrocaecal appendicitis often has no anterior abdominal wall tenderness/rigidity

- This test can be positive when McBurney's point is not obviously tender

- Helps diagnose atypical positions

7. Obturator Test (For Pelvic Appendicitis)

This test identifies pelvic appendicitis—another atypical position.

Anatomy: Pelvic appendicitis lies in the pelvis close to the obturator internus muscle.

Technique:

1. Flex patient's right hip (knee bent)

2. Internally rotate the hip (knee points toward midline and rotates inward)

- This internal rotation stretches the obturator internus muscle

3. Watch for response:

- If pelvic appendicitis: Patient winces in pain

- Indicates peritoneal irritation in pelvic region

What Does Positive Test Mean?

- Pelvic appendicitis

- Appendix in pelvis lies close to pelvic structures

- Inflammation of pelvic appendix irritates the muscle

- Muscle stretch causes pain

When to Use This Test:

- When anterior abdominal wall findings are not prominent

- When patient is female with lower abdominal pain (gynecological vs appendicitis)

- Positive test suggests appendicitis rather than gynecological cause

8. Muscular Rigidity (Muscle Guard)

This is one of the most important and teachable findings. It indicates peritoneal irritation and is a sign of serious pathology.

Distinction: Involuntary vs Voluntary Rigidity

This is critically important but often difficult clinically.

involuntary muscular rigidity (Muscle Guard):

Significance:

- Excellent indication of parietal peritonitis irritation

- Indicates underlying inflammation affecting the peritoneum

- Part of protective reflex mechanism

Cause:

- Can result from:

- Inflammation (appendicitis, cholecystitis)

- Blood in peritoneal cavity (ruptured ectopic, splenic rupture)

- Foreign material/bowel contents spilled (perforation)

Part of Broader Protective Reflexes:

- Parietal pleura irritation to Restricted chest movement

- Synovial membrane irritation to Restricted joint movement

- Meninges irritation leads to Neck rigidity

- Parietal peritoneum irritation  Abdominal muscle rigidity

voluntary muscular rigidity:

Significance:

- not a sign of peritonitis

- Result of patient's protective response

- Due to:

- Fear of being hurt

- Resentment at abdominal exposure

- Anxiety

Difference:

- Involuntary: Persists all the time, indicates serious pathology

- Voluntary: Disappears when patient relaxes/distracts, no serious pathology

Clinical Trick to Differentiate:

Ask patient to:

- Open mouth widely

- Breathe deeply in and out with mouth open

During expiration:

- Voluntary rigidity will disappear (muscles relax, patient no longer protecting)

- Involuntary rigidity Persists (true peritoneal irritation persists)

Alternatively:

- Distract patient while palpating

- Ask them to concentrate on something else

- Voluntary rigidity may relax

- Involuntary persists

How to Elicit Involuntary Rigidity:

Method 1 (Gentle palpation):

- Use flat hand with gentle, flexed fingers

- Not deep palpation

- Gentle "pill-rolling" movements

- If involuntary rigidity present, you feel hardness/tension of muscle

- Corresponds to area of tenderness

Method 2 (Two-hand technique):

- Place one hand flat on abdominal wall (passive hand)

- Place second hand on top (active hand)

- Upper hand exerts slight steady pressure

- Lower hand (in contact with wall) feels for rigidity

- Upper hand assists in palpation

- Lower hand detects muscle tension

Distribution of Rigidity:

Localized Muscle Guard:

- Corresponds to area of underlying inflammation

- Examples:

- Upper half of right rectus muscle in peptic perforation

- Shows localized rigidity over perforation site

- Indicates acute peritoneal irritation

- Surgical emergency

- Right iliac fossa in paracaecal appendicitis

- Loin in retrocaecal appendicitis

- May be absent in pelvic appendicitis (no anterior wall rigidity)

"Board-Like Rigidity" (Whole abdomen):

- Rigid, hard, like a board

- Indicates severe generalized peritonitis

- This is a Late Finding

- Surgeon must not wait for this

- If localized rigidity + acute symptoms = operate immediately

- Don't wait for "board-like" rigidity which indicates end-stage disease

Absence of Rigidity:

- Seen in all colics (biliary, ureteric, intestinal)

- No peritoneal irritation, so no muscle guarding

- Seen in uncomplicated acute intestinal obstruction

- No peritoneal inflammation initially

- Presence of rigidity in obstruction = strangulation (bad sign)

Differentiation of Rigidity Due to Thoracic Disease:

Some thoracic diseases can cause apparent abdominal rigidity (referred guarding).

Test:

- Ask patient to take deep breath with open mouth

- During expiration:

- Rigidity from thoracic disease Diminishes (related to respiration)

- Rigidity from peptic perforation Persists (true peritoneal irritation)

9. Distension

Palpate for the feel of bowel loops and their consistency.

in Acute Intestinal Obstruction:

Palpable Findings:

- Coils of intestine can be felt under the examining hand

- They feel hard when contracted (in response to obstruction)

- Then soften when relaxed

- Alternating hard-soft pattern palpable

Significance:

- Indicates bowel is trying to push past obstruction

- Muscular contractions against resistance

- Reflects active intestinal obstruction

Degree of Distension:

- Central distension = Small bowel obstruction

- Peripheral distension = Large bowel obstruction

Generalized distension:

- Indicates advanced disease

- Late feature of general peritonitis

- By the time whole abdomen is distended from peritonitis, patient's condition is critical

- Never let patient reach this stage

- Operate before generalized distension develops

10. Lump - Palpable Mass

Look for any palpable mass in the abdomen.

appendikyoolar Lump (Late presentation):

When seen:

- Develops within 2 to 3 days of appendicitis onset

- Indicates late or delayed presentation

- Appendiceal inflammation becomes walled off by omentum/bowel

What to note:

- Position of lump

- Size (measure)

- Shape (usually lumpy/irregular)

- Consistency (firm to hard)

- Mobility (often fixed)

- Tenderness (usually tender)

Differential Diagnosis (What else causes right iliac fossa mass?):

- Appendicular abscess (pus collection)

- Cold abscess (T.B abscess)

- Intersitial hernia

Sausage-shaped Lump (In Intussusception):

Description:

- Palpable in epigastrium or left lumbar region

- Feels like a sausage—smooth, elongated

- Represents telescoped bowel

Associated Finding:

- "Sign de danse" (Dance sign) = Empty right iliac fossa

- Right iliac fossa is empty because that bowel has telescoped into proximal portion

- Creates the sausage-shaped mass

In children with intussusception:

- Passage of "red-currant jelly" stool (blood and mucus)

- Confirms diagnosis

11. Palpation of Hernial Sites

Systematically examine all potential hernia sites.

Why Important:

- A large number of acute intestinal obstruction cases are due to strangulated hernias

- Can be quickly resolved by timely operation

- If missed, diagnosis delayed

Sites to Examine:

1. Inguinal rings (bilateral—examine both sides)

- Above and medial to inguinal ligament

- Look for bulge

- Check reducibility

- Cough impulse

2. Femoral rings (bilateral)

- Below and lateral to inguinal ligament

- Often overlooked

- Feel for bulge in femoral area

3. Umbilical region

- Look for bulge around umbilicus

- Check for defect

4. Previous surgical scars

- Sites of incisional hernias

- Palpate along old scar lines

What to Note About Hernias:

- Reducible: Can be pushed back in = not strangulated (yet)

- Irreducible: Cannot be reduced = may be strangulated (emergency)

- Tender: Indicates inflammation/strangulation

- Redness: Indicates strangulation (skin inflammation)

- Cough impulse: Feel hernia bulge increase when patient coughs

Strangulated Hernia Signs:

- Irreducible

- Tender

- Overlying redness

- Associated vomiting/constipation

- These = surgical emergency

12. Palpation of Liver, Spleen, Kidneys

Even in acute abdomen, note the size and consistency of solid organs.

Liver Examination:

Technique:

1. Position: Place left hand flat on patient's lower right ribcage (from behind/below)

2. Right hand: Place on abdomen just below right costal margin

3. Action:

- Left hand supports from below

- Right hand palpates

- Ask patient to take deep breath

- This brings liver down during inspiration

4. Palpate liver edge:

- Normal liver edge just palpable below costal margin (2 to 3 centimeters)

- If palpable more than 3 centimeters = hepatomegaly

Findings in Acute Abdomen:

- Hepatomegaly (enlarged): Suggests acute hepatitis, liver abscess

- Tender: Hepatitis, abscess

- Hard: Cirrhosis (chronic, but can present acutely)

- Smooth edge: Suggests diffuse inflammation (hepatitis)

- Irregular/nodular edge: Suggests cirrhosis or malignancy

Spleen Examination:

Technique:

1. Position: Patient supine, turned slightly to right (brings spleen more anterior)

2. Left hand: Place under left lower ribs (from behind)

3. Right hand: Place on abdomen at left costal margin

4. Action:

- Push up with left hand (supports)

- Palpate with right hand at costal margin

- Ask patient to breathe deeply

- Feel for spleen tip

5. Normal: Spleen usually not palpable (lies behind rib cage)

Findings in Acute Abdomen:

- Palpable spleen: Suggests splenic enlargement

- Mononucleosis

- T.B

- Malaria

- Lymphoma

- Leukemia

- Tender spleen:

- Splenic infarction (very tender)

- Mononucleosis

- Infection

- Hard spleen:

- T.B (granulomatous)

- Lymphoma

Kidney Examination:

Technique for Right Kidney:

1. Position: Place left hand flat on lower right loin area (posterior/flanks)

2. Right hand: Place on abdomen just below right costal margin

3. Action:

- Push up from behind with left hand (ballottement)

- This lifts kidney up toward examining hand

- Palpate with right hand during inspiration

- Feel for kidney nodule

4. Normal: Kidney just barely palpable in thin people, not in others

Ballottement Sign:

- Kidney moves between two hands

- Confirms renal origin of mass

- "Ballottable mass" = renal

Findings in Acute Abdomen:

- Enlarged kidney:

- Pyelonephritis (tender)

- Hydronephrosis (tender)

- Renal infarction (very tender)

- Renal abscess (tender, fever)

- Tender kidney:

- Any renal pathology

- Pyelonephritis

- Ureteric colic (point tenderness)

Part D: Examination of Abdomen - Percussion

Percussion provides additional information but is less important than palpation in acute abdomen.

Shifting Dullness (Test for Free Fluid)

Principle: Free fluid in peritoneal cavity changes percussion note because fluid is dull, air is resonant.

Anatomy: When patient lies supine, gravity causes fluid to accumulate in flanks, leaving air (bowel) in center.

Technique (Step by step):

1. Patient supine (on back)

2. Examiner percusses from center of abdomen:

- Tap fingers briskly over midline

- Note is Resonant (over air-filled bowel)

3. Move percussion toward one flank:

- Gradually percuss moving right

- Initially resonant

- At some point becomes Dull

- Mark this point

4. Note becomes dull = Boundary between air and fluid

5. Patient rolls to opposite side:

- Lay patient on left (if you percussed right flank)

- Wait 2 to 3 minutes for fluid to re-distribute by gravity

6. Percuss same area again:

- That area should now be Resonant

- Fluid has shifted away

Positive Test (Indicates Free Fluid):

- Changes from dull to resonant when patient repositions

- Confirms presence of free fluid

Conditions with Free Fluid:

- Perforation of peptic ulcer or typhoid ulcer

- Acute pancreatitis

- Ruptured ectopic gestation (blood)

- Others causing peritoneal accumulation

Fallacy to Avoid:

- Abnormal retention of enema can cause apparent shifting dullness

- Fluid in bowel (large colon) shifts when patient rolls

- Not true free peritoneal fluid

- So assess clinical context

Clinical Pearl: Shifting dullness = free fluid in peritoneum = serious pathology.

2. Fluid Thrill

Another test for large volumes of free fluid.

Principle: When peritoneal fluid volume is large, you can elicit a wave/thrill.

Technique:

1. Place one hand flat on one side of abdomen

2. With other hand, flick/tap briskly on opposite side

3. Feel with first hand for a wave or thrill

4. If present = significant free fluid

Significance:

- Indicates substantial free fluid

- More reliable in large volume ascites

- Less reliable in small volumes

3. Obliteration of Liver Dullness (Test for Free Gas)

Principle: Free air under diaphragm (pneumoperitoneum) replaces liver dullness with resonance.

Normal Finding:

- Right mid-axillary line: Upper part resonant (lung)

- At liver border: Changes to dull (liver)

- Upper border of liver normally at 5th intercostal space

Technique:

1. Percuss right mid-axillary line from above downward

2. Point where resonance changes to dull = Liver border

3. Normal: Liver dullness present (dull note at liver)

4. Abnormal (Free gas under diaphragm):

- Liver dullness replaced by resonance

- Where liver dullness should be, you hear resonant note

- Indicates air has lifted the liver/pushed it down

What Does This Indicate?

Free gas under diaphragm:

- Seen in perforation of gastrointestinal tract

- Most commonly: perforated peptic ulcer

- Also: perforated appendix, perforated sigmoid

Important Kavee-at:

- Absence of this sign does not exclude perforation

- Only present if sufficient air has leaked

- Many perforations don't leak enough air for this sign

- Some air is rapidly reabsorbed

- Don't base diagnosis on this alone

Fallacies:

- Considerable bowel gas distension can obliterate normal liver dullness even without pneumoperitoneum

- Lung emphysema (C.O.P.D) extends lung fields, obliterating liver dullness

- So interpret in clinical context

Other Ways to Detect Free Gas:

- Upright chest X-ray: Shows air under diaphragm (most sensitive)

- Supine abdominal X-ray: May show air around bowel (Rigler's sign)

- C.T scan: Best imaging

Part E: Examination of Abdomen - Auscultation

Very Important: Auscultation is often omitted but provides crucial diagnostic information.

Why Important?

- Auscultation helps differentiate peritonitis (silent abdomen) from intestinal obstruction (noisy abdomen)

- Two very different diagnoses requiring different urgency of treatment

Patient Should Familiarize:

- Student should listen to normal abdomen sounds in healthy people

- Know what normal peristalsis sounds like

- Then can recognize abnormal

normal peristaltik Sounds:

- Low-pitched, irregular clicks and gurgles

- Occur irregularly, may have silent periods

- Frequency varies, but generally 5 to 15 sounds per minute

- Represent normal bowel propulsion

the "Silent abdomen" (Pathognomonic):

Description:

- Bowel sounds completely absent

- No clicks, no gurgles, no sounds at all

- Absolute silence for 60 seconds

What Does This Indicate?

- Diffuse peritunitis (Peritoneal inflammation)

- This is pathognomonic finding for generalized peritonitis

- Bowel stops moving (paralytic ileus) due to peritoneal irritation

Conditions:

- Perforated peptic ulcer with spreading peritonitis

- Acute peritonitis from any cause

- Late appendicitis with generalization

Localized Absence of Peristalsis:

- Silence only over area of acute inflammation

- Surrounding areas have some sounds

- Indicates localized peritoneal irritation

- Example: Silent area over right iliac fossa in appendicitis

the "Noisy abdomen" (Increased Sounds):

Description:

- Increased peristaltic sounds

- Distinct, high-pitched sounds

- Metallic tinkles or borborygmi

- Sound like bells tinkling

- Musical quality

- Often sound like "machinery"

What Does This Indicate?

- Acute Intestinal Obstruction

- Indicates bowel is attempting to push past obstruction

- Increased muscular contractions leads to increased sound

- Metallic quality from air in dilated loops

Pattern in Obstruction:

- Sounds coincide with colicky pain

- When patient has pain wave, sounds increase

- Between pain waves, sounds decrease

- Pattern corresponds to colic pattern

Late in Obstruction:

- Sounds may decrease as bowel becomes exhausted/ischemic

- If obstruction becomes strangulated: Sounds may become silent

In Peritonitis or Paralytic Ileus:

- When intestinal sounds are absent (silent)

- Peculiar respiratory and cardiac sounds may become audible

- Usually masked by bowel sounds

- Become noticeable when bowel is silent

Clinical Significance:

- Silent abdomen = Peritonitis (medical emergency)

- Noisy abdomen = Obstruction (surgical emergency, but less immediately life-threatening than peritonitis)

- Different treatments required

How to Auscultate Properly:

1. Place stethoscope at several sites:

- Epigastrium

- Right and left flanks

- Above and below umbilicus

- Right and left iliac fossae

2. Listen for 30 to 60 seconds at each site

- Don't rush

- Sounds may be infrequent

3. Note:

- Presence/absence of sounds

- Pitch (high, low, metallic)

- Frequency

- Timing relative to pain

Part F: Rectal Examination

Essential: No acute abdomen examination is complete without digital rectal examination.

Why Important?

- Provides additional information

- Can detect pelvic pathology not apparent on abdominal examination

- Essential for completeness

Technique:

1. Position patient: Lie on left side with knees flexed (left lateral position)

2. Lubricate gloved examining finger generously

3. Insert finger into rectum gently

4. Perform systematic palpation:

- Rectal wall

- Anterior wall (where peritonitis might be palpable)

- Lateral walls

- Posterior walls

- Rectovesical/rectouterine pouches

Findings:

Rectal Wall Tenderness:

- In pelvic appendicitis

- Right wall may be tender

- Anterior abdominal wall may show no tenderness

- This finding suggests pelvic pathology

- Helps diagnose pelvic appendicitis

Bulging Anterior Rectal Wall + Tenderness:

- Indicates pelvic abscess

- Collection of pus in pelvis

- Bulge indicates mass pressing on rectum

Rectovesical Pouch Tenderness (In males):

- Found in perforated peptic ulcer

- Gastric contents tracking into pelvis

- Causes irritation of pouch

Rectal-uterine Pouch Tenderness (In females):

- Found in various pelvic pathologies

- Appendicitis with pelvic involvement

- Peritonitis with pelvic extension

After Rectal Examination in Intussusception (In children):

Finding:

- Gloved finger is smeared with mucus and blood

- Described as "red-currant jelly" appearance

- no fecal odor (unlike normal stool)

This is virtually diagnostic of intussusception.

Ballooning of Rectum:

- Seen in majority of acute abdomen cases

- Rectum dilated/ballooned

- Significance unclear

- May relate to reflex response

Part G: Vaginal Examination (If Applicable)

For female patients, vaginal examination provides additional diagnostic information.

Acute salpinjitis (Pelvic Inflammatory Disease):

Findings:

- Purulent discharge from cervix

- Tenderness in both fornices (areas between cervix and vaginal wall)

- Bilateral tenderness is characteristic

Differentiates from Appendicitis:

- Appendicitis typically unilateral (right side)

- Salpingitis bilateral

Ruptured ektopyk Gestation:

Findings:

- Cervix feels softer than normal

- Any movement of cervix causes pain

- Indicates pelvic inflammation/irritation

Other Findings:

- Vaginal bleeding may be present

- Severe peritoneal irritation

- Signs of shock if massive hemorrhage

Bulging Posterior Fornix:

- May indicate blood collection in pelvis (hemoperitoneum from ruptured ectopic)

Part H: General Examination (Extra-Abdominal)

When abdominal findings are not sufficient to account for all symptoms, systematically examine extra-abdominal areas for referred pathology.

Examine Chest and Chest Wall

Many thoracic conditions present with referred abdominal pain.

Why Confusion Occurs:

- Right upper/middle lobe pneumonia  Referred pain to right hypochondrium

- Can mimic acute cholecystitis

- Right lobe pneumonia to Referred pain to right iliac fossa

- Can mimic acute appendicitis

- Abdominal distension (if present) increases confusion

Diagnostic Features Distinguishing Pneumonia:

- Fever (often higher than surgical conditions)

- Hurried respiration

- Low pulse/respiration ratio (pulse not as elevated relative to respiration—unusual)

- Working of alae nasi (flaring of nostrils)

- Absence of vesicular breath sounds on affected side

- Dullness to percussion over consolidated area

- Crackles on auscultation

Comparison:

- Pneumonia: Respiratory findings + referred abdominal pain

- Acute abdomen: Abdominal findings + normal lungs

Diaphragmatic Pleurisy:

- Can cause referred abdominal pain

- Pleurisy causes pleuritic pain (worse with breathing/coughing)

- May have chest wall tenderness

Other Thoracic Emergencies:

- Spontaneous pneumothorax (sudden chest/shoulder pain, dyspnea)

- Myocardial infarction (can present as upper abdominal pain)

- Pericarditis (central chest pain, may refer to abdomen)

Chest Compression Test:

Technique:

- Compress lower chest wall from side to side

- If patient has thoracic disease to Pain with compression

- If pure acute abdomen, then there is no pain with chest compression

2. Examine Scrotum and Spermatic Cord

Look for evidence of filariasis or other scrotal pathology.

Filial fyunikulyitis (From Filariasis):

Can cause:

- Acute abdominal pain

- Via retroperitoneal lymphangitis

Associated findings:

- Periodic fever (characteristic of filariasis)

- Groin swelling and redness (funiculitis)

- Swelling of spermatic cord

Why Confusion:

- Patient presents with acute abdominal pain

- May be attributed to abdominal pathology

- But actual pathology is in cord/groin

Differentiate by:

- Examining groin carefully

- Looking for cord swelling

- Fever pattern (periodic)

- Geographic history (filariasis endemic area)

Testicular Pathology:

Torsion of testis:

- Can present as abdominal pain

- Patient describes pain in right iliac fossa when testis on right

- Careful examination reveals testicular swelling/tenderness

Epididymitis:

- Similarly can present with referred abdominal pain

3. Examine Spine

Spinal pathology can refer pain to abdomen.

Potts Disease (Spinal T.B):

How it presents:

- Granulation tissue from T.B vertebritis compresses spinal cord or intercostal nerves

- Can cause referred pain to abdomen

- Can mimic acute abdomen

Look for:

- Kyphotic deformity (curved spine)

- Spinal tenderness

- Neurological signs (weakness, sensory loss)

- History of T.B

Acute Osteomyelitis:

- Can cause referred pain via intercostal nerves

Herpes Zoster (Shingles):

Presentation:

- Pain radiates along dermatome distribution

- Often mistaken for acute cholecystitis when affects T.7-T.9

- Before rash appears, just pain

Differentiating Features:

- Skin hyperesthesia along entire course of nerve

- History of prior rash or typical dermatomal distribution

- Absence of rebound tenderness (key differentiator)

Intercostal Neuralgia:

- Pain along intercostal nerve distribution

- Can mimic acute abdominal pain

4. Examine Nervous System

Rare but important neurological causes of acute abdomen mimicry.

TABES Dorsalis (Syphilis affecting spinal cord):

Presents with:

- "Gastric crisis": Acute abdominal pain + vomiting

- Mimics acute abdomen

- Requires specific neurological diagnosis

Look for:

- "Lightning pain" in legs (characteristic sharp pains)

- Argyll-Robertson pupil: Pupil constricts with accommodation but not with light (pathognomonic)

- Absence of ankle jerk and knee jerk (lost reflexes)

- Positive Romberg's test

- History of syphilis

5. Medical Conditions Mimicking Acute Abdomen

Certain medical (non-surgical) conditions can present exactly like acute abdomen:

- Malaria: Acute abdominal pain + high fever

- Typhoid fever: Early presentation can be confusing

- Porphyria: Acute abdominal pain + neuropsychiatric symptoms

- Diabetic ketoacidosis: Abdominal pain + altered consciousness

- Sickle-cell crisis: Abdominal pain from infarction

- Hemophilia: Abdominal pain from bleeding

- Purpura: Abdominal pain from vasculitis

Key: Careful history and appropriate blood tests help identify these.

Section 3: Special Investigations

Investigations support clinical diagnosis but should not delay treatment if diagnosis clear.

1. Blood Tests

Complete Blood Count:

Leucocytosis (Elevated W.B.C):

- Indicates inflammatory condition

- Very useful in appendicitis diagnosis

- Also present in:

- Acute cholecystitis

- Acute pancreatitis

- Strangulated obstruction

Normal W.B.C:

- Doesn't exclude serious pathology

- Early appendicitis may have normal W.B.C

- Medical conditions may present without leucocytosis

Blood Chemistry:

Sugar estimation:

- Diabetic crisis can mimic acute abdomen

- High blood glucose ( greater than 300 milligrams/dl) + abdominal pain

Urea estimation:

- Uraemia can present with:

- Vomiting

- Abdominal distension

- Can be confused with intestinal obstruction

Serum Amylase (For Pancreatitis):

Normal values: 80 to 150 Somogyi units

Elevated in pancreatitis:

- 400 units = Suggests acute pancreatitis

- 1000 to 2000 units = Typical for acute pancreatitis

- Can go even higher but degree doesn't correlate perfectly with severity

Interpreting Elevated Amylase:

- Confirms pancreatitis diagnosis

- Take serial measurements (rises then falls)

- Very high levels may indicate severe disease

Note: Amylase rises in pancreatitis and sometimes in perforated duodenal ulcer.

2. Blood Pressure

- Assess for shock (hypotension)

- Assess for hypertension

- Compare with patient's baseline if known

- Serial measurements show trend (improving vs worsening)

3. Urine Examination

Look for:

- Blood (hematuria): Renal colic, pyelitis, ruptured kidney

- Sugar: Diabetes (can present as acute abdomen)

- Protein: Kidney disease

- Casts: Kidney pathology

- Crystals: Kidney stone, uraemia

4. X-ray Examination

Straight X-ray of Abdomen (A.P view lying down):

Findings in Intestinal Obstruction:

- Multiple fluid levels ("Step-ladder" pattern when upright)

- Air-fluid levels diagnostic

- Air in small bowel loops (normal but excessive = obstruction)

- Central or peripheral distribution tells level

Findings in Peptic Perforation:

- Free gas under diaphragm (on upright chest X-ray)

- Crescentic radiolucency

- Seen in approximately 70% of cases

- May be rapidly reabsorbed so may not be present

Other Findings:

- Calcified pancreas: Suggests chronic pancreatitis with acute exacerbation

- Gallstones: Only visible if calcified (rare)

- Foreign bodies: Radio-opaque foreign bodies

- Skeletal structures: Any fractures

Limitations:

- Radiation exposure

- Many acute conditions show normal X-ray

- C.T superior for most diagnoses

Upright Chest X-ray:

Much more sensitive for:

- Free air under diaphragm (air rises)

- Seen in:

- Perforated peptic ulcer

- Perforated appendix

- Any G.I perforation

- Fluid levels in bowel

Supine X-ray:

- Shows "Rigler's sign" (air around bowel/air in peritoneum)

- Less specific than upright view

5. Barium Studies

Barium Meal (Upper G.I):

- Shows gastric ulcer, duodenal ulcer location

- Can visualize perforation (barium leaks)

- Now less commonly used (endoscopy preferred)

Barium Enema (Colon Study):

Useful Findings:

Intussusception:

- "Pincer-shaped" ending (pathognomonic)

- Point where proximal bowel meets intussusceptum

- Air enema can be therapeutic (pneumatic reduction)

Regional Ileitis (Crohn's Disease):

- "Skip lesions": Normal-appearing segments alternating with diseased

- "Cobblestone" or "sawgrain" appearance (mucosal pattern)

- "Spicules" - irregularities

- Narrowing of lumen

Acute Ulcerative Colitis:

- Mucosal ulceration

- Granular appearance of mucosa

- Coarse nodularity

- Typically starts at rectum

Acute Diverticulitis:

- Segmental spasm

- "Saw-toothing" (serrated margins)

- Mucosal edema

- Narrowing

- Diverticula visible

Contraindication:

- absolutely Contraindicated in very Acute conditions

- Risk of perforation if inflamed bowel compressed

- Can be done only after acute phase subsides

- If perforation suspected, do not do barium studies

6. Endoscopy and Sigmoidoscopy

Proctosigmoidoscopy (In Acute Ulcerative Colitis):

- Rectum involved in 90 to 95% of cases

- Mucosa erythematous (red) and granular

- Bleeds easily on contact

- Superficial mucosal ulcers visible

- Confirms diagnosis

Colonoscopy:

- Determines extent of disease in ulcerative colitis

- Shows "skip lesions" in Crohn's disease

- Can biopsy for diagnosis

In Acute Diverticulitis:

- Inflamed mucosa

- Diverticula visible

- But narrowing, spasm, fixation more commonly seen

- Very careful technique needed (risk of perforation)

Warning:

- Indiscriminate enema administration in acute abdomen must be condemned

- Nothing more harmful than enema in peritonitis (spreads infection)

- Can only give enema in acute intestinal obstruction

- "Two-enema test" useful in obstruction:

- First enema attempts evacuation

- Second enema 2 hours later shows if passage is blocked

- If blocked = confirms obstruction

7. Intravenous Cholangiography (I.V.C)

- Visualizes entire extrahepatic biliary tree

- Useful for demonstrating bile duct stones

- Now superseded by ultrasound and E.R.C.P

- Less popular for acute cholecystitis

8. Ultrasonography

Most Useful Modern Investigation:

For Cholecystitis:

- Gallstones: Echogenic with acoustic shadow

- Bile duct stones

- Gallbladder dilation with stone

- Stone in cystic duct

- Biliary tree dilation

- Murphy's sign: Pain when ultrasound transducer pressed over gallbladder

For Appendicitis:

- Overall specificity: 90%

- Overall sensitivity: 88%

- Very high diagnostic value

- Can also diagnose other causes of right lower quadrant pain

Advantages:

- Non-invasive

- No radiation

- Real-time imaging

- Relatively inexpensive

- Can be done at bedside

- Good in emergency situations

Limitations:

- Operator dependent

- Difficulty in obese patients

- Bowel gas can obscure view

9. Radioisotope Scanning

Cholescintigraphy (Hepatobiliary Scan):

Using 99mTechnetium-I.D.A (Iminodiacetic Acid derivative):

How It Works:

1. I.V injection of 99mTechnetium-I.D.A

2. Material excreted by liver into biliary system

3. Normally flows through biliary tree and into gallbladder

4. Then into duodenum

Findings:

- Normal: Gallbladder visualized

- Acute cholecystitis: Gallbladder not visualized

- Reason: Cystic duct or gallbladder outlet obstructed

- Bile cannot enter gallbladder

- Only biliary ducts visualized

Accuracy:

- Nearly 100% accurate for acute cholecystitis

- Most specific test available

- Better than ultrasound in some cases

Uses:

- Confirms diagnosis of acute cholecystitis

- More specific than ultrasound (though slower)

10. C.T Scan

Provides:

- Excellent visualization of abdominal organs

- Similar information as ultrasound

- Better for:

- Obese patients (body wall makes ultrasound difficult)

- Excessive bowel gas

- Detailed anatomy

- Staging of malignancy

Useful for:

- Pancreatitis (see pancreatic necrosis)

- Complex abdominal pathology

- Pre-operative planning

11. Magnetic Resonance Imaging (M.R.I)

Advantages:

- No radiation

- Excellent for:

- Biliary tree visualization

- Biliary stones

- Pancreatic pathology

- Soft tissue detail

12. Exploratory Laparotomy

The Final Diagnostic Tool:

When Used:

- On many occasions, diagnosis is not established until laparotomy is undertaken

- When clinical diagnosis is clear but imaging confirms it, proceed to operation

- When diagnosis remains unclear after thorough evaluation

Indications:

- Acute peritonitis with no clear cause

- Suspected perforation

- Suspected internal strangulation

- Suspected volvulus

- Diagnostic uncertainty with peritoneal signs

Section 4: Major Causes of Acute Abdomen

A. Intra-Abdominal Causes

1. Inflammation (Peritonitis)

Acute inflammatory conditions of abdominal organs:

- Acute appendicitis

- Acute cholecystitis

- Acute salpingitis

- Acute diverticulitis

- Acute regional ileitis (Crohn's disease)

- Acute pneumococcal peritonitis (primary peritonitis)

- Acute non-specific mesenteric lymphadenitis

- Amoebic liver abscess

- Tubo-ovarian abscess

- Acute gastroenteritis (severe)

2. Perforation

Perforation of viscus leading to peritonitis:

- Peptic ulcer perforation (duodenal greater than gastric)

- Typhoid ulcer perforation (in 3rd-4th week of typhoid)

- Diverticular disease (colon perforation)

- Ulcerative colitis (fulminant type)

- Appendiceal perforation

- Biliary perforation (rare)

- Intestinal perforation (from trauma, tumor)

3. Acute Intestinal Obstruction

Blockage to bowel passage:

Mechanical Obstruction:

- In the lumen: Gallstone (gallstone ileus), roundworms, faecolith, bezoar

- In the wall: T.B stricture, intussusception, tumors, Meckel's diverticulum

- Outside the wall:

- Adhesive bands (most common after surgery)

- Volvulus (sigmoid greater than cecal)

- External and internal hernias (strangulated)

Toxic Obstruction:

- Paralytic ileus (from peritonitis, pancreatitis, electrolyte imbalance)

Neurogenic Obstruction:

- Hirschsprung's disease

Vascular Obstruction:

- Mesenteric vessel occlusion (embolism or thrombosis)

4. Hemorrhage

Bleeding into peritoneal cavity:

- Ruptured ectopic gestation (most common female emergency)

- Ruptured Lutein cyst (ovulation-related)

- Spontaneous rupture of malarial spleen

- Rupture or leaking aortic aneurysm (vascular emergency)

- Aortic dissecting aneurysm

- Hemorrhagic ovarian cyst

- Bleeding duodenal ulcer (if perforation + bleeding)

5. Torsion of Pedicle

Twisting of organ on its blood supply:

- Twisted ovarian cyst (most common)

- Twisted testis

- Torsion of spleen (rare)

- Volvulus (twisting of bowel)

6. Colic (Non-obstructive Painful Contractions)

- Biliary colic: Stone in common bile duct

- Ureteric colic: Stone in ureter

- Intestinal colic: Spasm without obstruction

- Appendicular colic: Inflamed appendix

B. Extra-Abdominal Causes

These conditions present with referred pain to abdomen:

1. Parietal Conditions (Abdominal Wall):

- Superficial cellulitis of abdominal wall

- Gas gangrene of abdominal wall (necrotizing fasciitis)

- Abscess of abdominal wall

- Rupture of rectus abdominis muscle

- Tearing of inferior epigastric artery

- Herpes zoster (shingles) affecting intercostal nerves

2. Thoracic Conditions:

- Diaphragmatic pleurisy (inflamed pleura under diaphragm)

- Lobar pneumonia (especially right-sided or basal)

- Spontaneous pneumothorax

- Pericarditis

- Angina pectoris

- Coronary thrombosis

3. Retroperitoneal Conditions:

- Uremia

- Pyelitis (kidney infection)

- Dietl's crisis (intermittent hydronephrosis)

- Retroperitoneal lymphangitis (from filariasis)

- Retroperitoneal lymphadenitis (T.B, infection)

- Leaking abdominal aortic aneurysm

- Dissecting aneurysm of ay-or-tuh

4. Diseases of Spine, Spinal Cord, Intercostal Nerves:

- Pott's disease (T.B of spine)

- Acute osteomyelitis of lower dorsal or lumbar vertebrae

- Gastric crisis in Tabes Dorsalis (syphilis)

- Herpes zoster (shingles) of lower intercostal nerves

- Intercostal neuralgia

5. General Medical Diseases:

- Malaria (especially cerebral malaria)

- Typhoid fever (early)

- Porphyria (acute intermittent porphyria)

- Diabetic crisis (ketoacidosis, hyperosmolar)

- Sickle-cell crisis (infarctive)

- Hemophilia (bleeding tendency)

- Purpura (vasculitis)

- Smallpox

Special Populations:

In Children - Common Acute Abdomens:

1. Acute appendicitis (most common surgical emergency)

2. Acute intussusception (6 months - 3 years)

3. Intestinal obstruction (from roundworms, congenital bands, Meckel's)

4. Acute non-specific mesenteric lymphadenitis

5. Meckel's diverticulitis

6. Primary peritonitis (before appendicitis becomes more common)

In Females - Must Not Miss:

1. Ruptured ectopic gestation (can be rapidly fatal)

2. Ruptured Lutein cyst (ovulation-related)

3. Twisted ovarian cyst

4. Acute salpingitis (P.I.D)

5. Tubo-ovarian abscess

6. Torsion or degeneration of uterine fibroid

7. Standard conditions (appendicitis, cholecystitis) still occur

Section 5: Differential Diagnosis - Detailed

Acute Appendicitis (Comprehensive)

Etiology and Pathophysiology:

Factors Incriminated in Causation:

- Low residue diet: Thought to predispose

- Social status: More common in high socioeconomic status

- Geographic residence: More common in Western countries (European, American, Australian)

- Familial susceptibility: May run in families

- Obstruction of appendiceal lumen: Key factor

- Faecolith: Most common

- Foreign body

- Roundworm (Ascaris)

- Threadworm

- Stricture

- Indiscriminate use of purgatives: Can precipitate acute presentation by increasing pressure

Age of Incidence:

- Rare before age 2 years

- Increasingly common during childhood and adolescence

- Peak incidence: 20 to 30 years

- Gradually drops in older age

- Can occur at any age

Gender: Slightly more common in males

Two Clinical Varieties:

1. Non-obstructive Appendicitis:

- Progresses slowly

- Milder inflammation

- Reversible if treated early

2. Obstructive Appendicitis:

- Progresses rapidly

- Severe inflammation

- Gangrene and perforation common

- Wakes patient in early morning

- More serious prognosis

Clinical Presentation:

the pathnuhmonik Feature - Shifting of Pain:

This is almost diagnostic of appendicitis:

- Initial phase: Pain felt periumbilical or around umbilicus

- Patient remembers when and where pain started

- Usually describes it as "around belly button"

- This is visceral pain from appendix (T.9-T.10)

- Second phase (after several hours): Pain shifts to right iliac fossa

- As parietal peritoneum becomes inflamed

- Peritoneal pain is localized to right iliac fossa

- Patient points to right side

This shifting is seen in 50 to 70% of cases and is virtually diagnostic.

Character of Pain:

- Non-obstructive: Dull, aching, boring

- Obstructive: Colicky (sharp, griping)

Associated Symptoms:

- Nausea and vomiting: Follows pain

- Anorexia: Loss of appetite

- Fever: Almost always associated (Murphy's syndrome: Pain-Vomiting-Fever)

- Constipation: Usual

- Diarrhea: May occur in pelvic appendicitis

Physical Examination Findings:

- Hyperesthesia in Sherren's triangle: Cutaneous sensitivity

- Tenderness at McBurney's point: Most characteristic

- Muscle guard and rigidity: In right iliac fossa

- Rebound tenderness: Indicates peritoneal involvement

- Positive Rovsing's sign: Highly suggestive

- Positive psoas test: If retrocaecal

- Positive obturator test: If pelvic

Late Findings:

- Appendicular lump: Develops within 2 to 3 days

- Palpable mass in right iliac fossa

- Firm, tender, fixed

- Result of walling off by omentum and bowel

- Indicates late presentation

- Sluggish peristalsis: Over right iliac fossa

- Localized peritoneal irritation

Perforation Findings (If occurs):

- Temporary improvement of pain: Deceptive!

- When appendix perforates, initial pain relief

- But rapid development of peritonitis

- Spreading peritonitis signs:

- Pain all over abdomen

- Increased vomiting

- Rising pulse rate

- Rising temperature

- Restricted abdominal movement

- "Board-like" rigidity spreading

- Shifting of tenderness (right to left iliac)

- "Silent abdomen" on auscultation

- These indicate serious deterioration

Murphy's Syndrome (Classic Teaching):

Sequence in appendicitis:

1. Pain (first—wakes patient early morning)

2. Vomiting (second—follows pain)

3. Fever (third—latest to appear)

This sequence is pathognomonic for appendicitis.

Variation According to Position of Appendix:

Paracaecal Appendicitis (Classic position):

- Appendix lies alongside caecum

- Tenderness and rigidity clearly in right iliac fossa

- McBurney's point tenderness prominent

- Diagnosis straightforward

Retrocaecal Appendicitis (Behind caecum):

- Appendix lies retroperitoneal

- Little or no tenderness/rigidity on anterior wall

- Tenderness in right flank or loin

- To elicit: Roll patient to left side

- Posterior tenderness appears

- Psoas test positive: Hip flexion with knee extended causes pain

- Hematuria possible: Close to ureter, can cause blood in urine

- Can be confused with renal colic

- Careful history (initial periumbilical pain, Rovsing's sign, positive psoas test) helps

Pelvic Appendicitis:

- Appendix in pelvis

- No anterior abdominal wall tenderness/rigidity

- This is confusing feature

- Diarrhea common (rectal irritation)

- Strangury (painful urination—bladder irritation)

- Tenesmus (ineffectual straining—rectal irritation)

- Obturator test positive: Pelvic muscle stretch causes pain

- Rectal examination: Tenderness on right side of rectovesical/rectouterine pouch

- Can mimic gynecological pathology

Pre-ileal/Post-ileal Appendicitis:

- Appendix attached to ileum

- Both nausea and vomiting prominent

- Tenderness more diffuse

- Less localized to R.I.F

Age-Related Presentations:

In Infancy and Childhood:

- Constitutional disturbances more marked

- Temperature often high

- Vomiting and diarrhea (not constipation)

- Difficulty eliciting tenderness in children

- Technique: Palpate abdomen with child's own hand

- At point of maximum pain, child withdraws their hand

- Appendicular lump rare: Poor inflammatory response, short omentum

- Early perforation is rule: Surgeon must diagnose early, don't wait

- High mortality if perforation occurs

In Elderly:

- Lax abdominal wall muscles

- Hardly any rigidity despite serious disease

- High risk of rapid gangrene (atherosclerosis of appendicular artery)

- Can present like obstruction (distension, constipation, vomiting) in second stage peritonitis

- Can be mistaken for intestinal obstruction

- Clinician might give enema (harmful!)

- Must maintain high index of suspicion

In Pregnancy:

- Enlarging uterus displaces caecum upward

- Can confuse with cholecystitis

- Careful history + positive Rovsing's sign helps

- Other confused diagnoses: Concealed accidental hemorrhage, uterine fibroid necrobiosis, pyelitis, cystitis

Appendicitis vs Cholecystitis (Differentiation):

Painful right upper vs right lower abdomen:

- Appendicitis: Right iliac fossa, shifting of pain

- Cholecystitis: Right hypochondriac, radiates to right scapula

Acute Cholecystitis (In Detail)

Classic Description:

"Fatty, fertile female of forty" (old teaching, not always accurate):

- But biliary disease is common in women

- Usually middle-aged or older

- Multiple pregnancies increase risk

Predisposing Factors:

- Gallstones (90% of cases)

- Female gender

- Pregnancy

- Obesity

- Rapid weight loss (cholestasis)

- Estrogen use

Presentation:

History:

- Previous flatulent dyspepsia (indigestion)

- Belching and bloating after fatty meals

- Now with severe pain in right hypochondriac region

Pain Character:

- Often colicky initially (stone moving)

- Becomes constant if inflammation develops

Radiation:

- Characteristically radiates to inferior angle of right scapula

- or to right shoulder top

- This is pathognomonic for biliary origin

Associated Symptoms:

- Nausea and retching

- Vomiting (usually mild)

- Rise of temperature: Moderate (usually less than 39 degrees Celsius)

- Elevated pulse rate

- Jaundice: Present in only 1/4 of cases

- Due to associated cholangitis

- Or bile pigment entry through damaged mucosa

Charcot's Triad (In cholangitis):

- Pain

- Jaundice

- Rigor (shaking chills)

- Due to ascending cholangitis and septicemia

Physical Examination:

Tenderness and Rigidity:

- At gallbladder point

- Below hepatic flexure of colon

- Easily elicited

Murphy's Sign:

- Patient takes deep breath while examiner presses gallbladder area

- If cholecystitis: Inspiration arrested (pain inhibits breath)

- Positive = Gallbladder tenderness

Gallbladder Palpability:

- Gallbladder usually not palpable

- If palpable: Suggests empyema (pus in gallbladder)

- Wrapped with greater omentum (protective)

- Overlying rigidity hinders palpation

Investigations:

Blood:

- Elevation of W.B.C: In 85% of cases

- Rise of serum bilirubin: In approximately 50% of cases

- Elevated serum amylase: In 1/3 of cases (pancreatic irritation)

Imaging:

- Oral cholecystography: Contraindicated in acute phase

- Ultrasound: Shows stones, pericholecystic fluid, dilated gallbladder

- Cholescintigraphy (99mTechnetium-I.D.A): 100% accurate

- Gallbladder not visualized if cystic duct obstructed

- Gold standard

Acute Pancreatitis (In Detail)

Epidemiology:

- Commonly seen after age 30

- Males slightly more than females

- Common in alcoholics and those with biliary disease

Presentation:

Pain - Severe:

- Excruciating, agonising in nature

- First in severity among all abdominal emergencies

- Located in epigastrium

- Radiates to back or left loin

- Often more severe when lying down

Patient Behavior:

- Cannot find comfortable position

- Tends to sit up or bend forward (relieves pain)

- Often assumed fetal position

- Very distressed appearance

Associated Symptoms:

- Constant vomiting: Refractory, profuse, dehydrating

- Fever: May be high

- Shock signs: If hemorrhagic pancreatitis

Physical Examination:

General:

- Patient looks extremely ill

- Severe distress

- Tachycardia (pulse elevated)

- May have shock signs

Skin Signs (Indicating Hemorrhagic Pancreatitis):

- Grey Turner's sign: Discoloration left flank (retroperitoneal bleeding)

- Cullen's sign: Bluish discoloration around umbilicus (blood in abdominal wall)

- Cyanosis: Bluish tinge of face (severe hemorrhage)

Abdominal:

- Tenderness in epigastrium: Often diffuse

- Rigidity: Less marked than appendicitis

- Distension: Variable

Auscultation:

- Silent abdomen: Due to peritoneal irritation

Investigations:

Serum Amylase (Most Important):

- Normal: 80 to 150 units

- greater than 400 units suggests pancreatitis

- 1000 to 2000 units typical

- Can be even higher

- Rises then falls

- Serial measurements useful

Imaging:

- C.T scan: Shows oedematous, enlarged pancreas

- Ultrasound: Can show pancreatic changes

- E.R.C.P: If biliary stone suspected

Prognosis:

Depends on:

- Extent of necrosis

- Presence of hemorrhage (hemorrhagic greater than edematous)

- Presence of associated complications

Perforated Peptic Ulcer (Detailed)

Epidemiology:

- More common in males

- Low socioeconomic status: Present late with perforation (ignore early symptoms)

- Perforation more common in duodenal ulcer than gastric

- Perforation more common in low socioeconomic patients

Clinical Stages:

Perforation has three distinct clinical stages:

stage 1 - stage of Initial peritoneal Irritation (0 to 6 hours):

Characteristics:

- Sudden onset of severe pain ("Something gave way" / "Sudden blow")

- Pain often described as worst ever experienced

- Initially in right hypochondriac region

- Pain radiates toward right iliac fossa as gastric contents track down right paracolic gutter

Physical Findings:

- Patient looks anxious, in severe distress

- Muscle guard over upper right rectus muscle

- Rebound tenderness present

- Breath-holding, guarding of respiration

- Pulse and temperature initially normal or only slightly elevated

Diagnosis:

- Depends on two key features:

1. Sudden pain onset in patient with ulcer history

2. Muscle guard over upper right rectus

- Clinician should not wait for board-like rigidity

- Diagnosis in this stage saves lives

X-ray:

- Free air under diaphragm visible in 70% of cases

- Upright chest X-ray most sensitive

stage 2 - stage of Reaction (6-12-24 hours):

Why This Stage Is "Deceptive":

- Irritant gastric contents become diluted with peritoneal exudate

- Dilution reduces irritation

- Patient feels better

- Pain and symptoms diminish

- Deceptive Improvement—patient feels comfortable but fire still burns

Characteristics:

- Symptoms dwindle

- Patient feels comfortable

- Rigor and guarding may seem to diminish

- but: Underlying inflammation continues

Physical Signs (Still Present):

- Muscular rigidity continues to be present

- Obliteration of liver dullness: Free gas still present

- Shifting dullness: Free fluid (peritoneal exudate) accumulating

- Rectal examination: Tenderness in rectovesical or rectouterine pouch

Imaging:

- Straight X-ray (sitting position): Shows air under diaphragm in 70%

Clinical Pearl:

- Never be fooled by symptom improvement

- Continue appropriate investigations and preparation for surgery

- Patient's false sense of well-being is dangerous

stage 3 - stage of Diffuse peritunitis (After 24 to 48 hours):

When Patient Reaches This Stage - Grave Prognosis:

Appearance:

- "Facies hippocratica": Characteristic appearance

- Pinched face

- Sunken eyes

- Hollow cheeks

- Deathlike appearance

- Once seen, never forgotten

Physical Signs:

- Rising pulse rate (rapid, but small, weak—shock pattern)

- Persistent vomiting

- "Board-like" rigidity of whole abdomen

- Increasing distension of abdomen

- Shallow respiration

- Signs of shock: Hypotension, cold extremities

Prognosis:

- Grave

- High mortality if reached

- Must operate before this stage

Complications of Peptic Perforation:

- Generalized peritonitis

- Septic shock

- Multiple organ failure

- Death if untreated

Acute Intestinal Obstruction (Overview)

General Principles:

Mortality: Rises with each passing hour from onset

Three Main Clinical Manifestations:

1. Intestinal colic (colicky pain)

2. Vomiting

3. Abdominal distension

Note: Constipation is late sign—don't wait for it

Mechanics of Obstruction:

In Small Bowel Obstruction (High obstruction):

- Colic frequency: Waves every 3 to 5 minutes

- Colic duration: About 30 seconds

- Vomiting: Early, frequent, profuse

- Dehydration: Severe (rapid fluid loss)

- Distension: May not be prominent

- X-ray: Central distension

In Large Bowel Obstruction (Low obstruction):

- Colic frequency: Waves every 10 to 15 minutes

- Vomiting: Late or absent

- Dehydration: Minimal (less fluid loss)

- Distension: Marked, progressive

- X-ray: Peripheral distension

Dehydration in Obstruction:

Higher obstruction (proximal):

- More dehydration (rapid water loss)

- Less distension

- Dehydration appears earlier

Lower obstruction (distal):

- Less dehydration (fluids reabsorbed)

- More distension

- Distension appears earlier

Internal Strangulation:

When blood supply to bowel is compromised:

- Sudden pain intensification

- Muscle rigidity develops (peritoneal irritation from ischemia)

- Rebound tenderness appears

- Shock develops rapidly

- High mortality if not recognized and treated immediately

Part 2: Examination of an Abdominal Lump

Introduction

An abdominal lump or swelling presents a different diagnostic challenge than acute abdomen. While acute abdomen demands urgency and immediate treatment, an abdominal lump requires systematic, thorough evaluation to determine:

- Whether it's benign or malignant

- Its organ of origin

- Its exact nature and extent

- Whether urgent intervention is needed

Many abdominal lumps represent chronic or subacute pathology, but some (like acute enlargement, rapidly growing masses) may indicate serious underlying disease requiring urgent treatment.

The patient may have noticed the lump incidentally during washing, or it may be discovered during examination for unrelated symptoms. A lump that was "felt during washing" or noticed by someone else often indicates serious pathology and requires careful examination.

Section 1: History Taking for Abdominal Lump

Part A: Patient Particulars

Same systematic approach as acute abdomen, but with special attention to disease predilections:

Age:

- Congenital anomalies: Usually present from birth

- Examples: Cystic hygroma, sacrococcygeal teratoma

- Some present later: Persistent urachus, branchial cyst

- Wilms' tumor: Infants and young children

- Sarcomas: Teenagers and young adults

- Appendicitis: Commonly 14 to 25 years

- Carcinomas: Usually greater than 40 years, but don't exclude younger patients

- Benign tumors and cysts: Can occur at any age

Gender:

- Ovarian pathology: Women only

- Testicular pathology: Men only

- Thyroid, visceroptosis, movable kidney: More common in females

- Gastric and lung cancers: More common in males

Religion:

- Carcinoma of penis: Rare in Jews and Muslims (circumcision)

- Phimosis and subpreputial infection: Not seen in circumcised populations

Social Status:

- Appendicitis: More common in high socioeconomic status

- T.B and poor nutritional states: More common in low social status

Occupation:

- Cancer of bladder: Workers in aniline dye factories

- Cancer of scrotum: Chimney sweeps, workers in tar and shale oil

- Occupational hernias: Jobs with increased abdominal pressure

Residence (Geographic Distribution):

- Filariasis: Orissa

- Leprosy: Bankura district, West Bengal

- Gallbladder disease: West Bengal, Bangladesh

- Peptic ulcer: Northwestern and southern India (spicy food)

- Bilharziasis: Egypt

- Hydatid disease: Sheep-rearing districts (Australia, Greece, Turkey, ee-rahn)

- Tropical diseases: Tropical countries

- Kangri cancer: Kashmiri population (hot water bottle on abdomen)

Part B: Chief Complaints - The Lump

1. Duration of Lump

When did the patient first notice the lump?

Congenital Lumps (Present from birth):

- Cystic hygroma

- Sacrococcygeal teratoma

- Some hernias

Lifelong Presence:

- Suggests congenital origin

Recent Onset (Days to weeks):

- Suggests acute pathology

- Acute inflammation

- Acute enlargement

- Acute hemorrhage into lump

- Acute torsion

Slowly Progressive (Months to years):

- Benign pathology

- Chronic inflammation

- Slowly growing benign tumor

- Cyst formation over time

2. Rate of Growth

"Has the lump changed in size since you first noticed it?"

Rapid Growth (Over weeks to months):

- Highly suggestive of Malignancy

- Indicates aggressive process

- Warrants urgent investigation

- Poor prognosis

Slow Growth (Over months to years):

- Suggests benign pathology

- Benign tumors (lipoma, adenoma)

- Some malignancies in early stages

Stationary Size (No change over months/years):

- Suggests stable benign lesion

- May indicate cyst

- May indicate fibroid

- May indicate old scar

Sudden Increase After Long Period:

- Very suggestive of Malignant Transformation

- Benign growth may suddenly undergo malignant change

- High mortality if this occurs

Decreasing Size:

- Suggests inflammatory process resolving

- Abscess draining

- Cyst reabsorbing

3. Associated Symptoms

Ask systematically about symptoms that might be related to the lump:

Pain (Most Important):

- Inflammatory lumps: Painful

- Neoplastic lumps: Usually painless initially (pain comes late)

- Location of pain

- Character (sharp, dull, throbbing)

- Duration

- Aggravating/relieving factors

Vomiting:

- Suggests obstruction to bowel

- Suggests high intra-abdominal pressure

- May indicate malignancy with obstruction

Bowel Changes:

- Diarrhea: May suggest colonic malignancy or inflammation

- Constipation: May suggest obstruction or compression

- Passage of blood: Suggests G.I involvement

- Passage of mucus: Suggests inflammation or colonic disease

Weight Loss:

- Red flag for malignancy

- Indicates systemic disease

- Suggests poor prognosis

- Patient loses appetite with cancer

Fever:

- Suggests inflammation or infection

- Fever + lump = Abscess very likely

- Intermittent fever: May suggest pyogenic condition

- Constant fever: May suggest T.B

Swelling of Legs:

- May suggest lymphatic obstruction

- May indicate advanced malignancy with lymphatic involvement

- Indicates poor prognosis

Jaundice:

- Suggests biliary obstruction

- May indicate liver involvement

- Pancreatic malignancy with bile duct compression

Difficulty in Urination:

- May suggest bladder obstruction

- May suggest prostate enlargement

Difficulty in Defecation:

- May suggest bowel obstruction

- Rectal mass

- Colonic malignancy

4. Effect on Health/Functional Impairment

"Has the lump affected your health or ability to function?"

No Effect:

- Incidental finding

- Often benign

- May be small cyst or lipoma

Functional Impairment:

- Obstruction to organ function

- Compression of adjacent structures

- May indicate sizable lesion

- May indicate malignancy

Systemic Symptoms:

- Loss of appetite: Malignancy likely

- Weight loss: Malignancy likely

- Fatigue: Chronic disease

- Anemia: Chronic bleeding

5. Previous Similar Lumps

"Have you had or do you have any other lumps?"

Multiple Lumps (Present or Past):

- Neurofibromatosis: Multiple swellings (Von Recklinghausen's disease)

- Diaphyseal aclasis: Multiple osteomas

- Hodgkin's disease: Multiple lymph node enlargements

- Familial polyposis: Multiple polyps

- Abscesses: May occur one after another

Single Lump:

- More common with most pathologies

6. Progression and Secondary Changes

"Have you noticed any changes in the lump—softening, drainage, bleeding, color change?"

Secondary Changes Indicating Serious Pathology:

- Softening: Suggests suppuration (abscess formation)

- Ulceration: Indicates surface breakdown, often malignancy

- Fungation: Rapid proliferation, very suggestive of malignancy

- Bleeding or discharge: Indicates ulceration or malignancy

- Redness: Suggests inflammation or advanced malignancy

- Darkening: May suggest necrosis or melanoma

Part C: Pain Associated with Lump

1. Importance of Pain in Diagnosis

Pain is by far the most important symptom that brings patient to doctor.

Inflammatory Swellings:

- Painful (always)

- Throbbing, continuous pain

- Associated with fever, heat

- Examples: Abscess, acute infection, cellulitis

Traumatic Swellings:

- Painful initially

- Pain decreases as swelling resolves

- Examples: Hematoma, contusion

Neoplastic Swellings:

- Painless in early stages

- This is characteristic

- Pain appears Late with:

- Nerve involvement

- Deep infiltration

- Ulceration

- Fungation

- Associated inflammation

- Pain indicates advanced/inoperable disease

- Exception: Osteosarcoma (pain is early symptom)

2. Nature of Pain

Throbbing Pain:

- Suggests inflammation with suppuration

- May indicate abscess

- Associated with fever

Burning Pain:

- Suggests inflammation

- Often in peptic/gastric disease

Stabbing/Sharp Pain:

- Suggests inflammation

- May indicate torsion

Aching Pain:

- May suggest pressure from large mass

Constant vs Intermittent:

- Constant: Serious, inflammatory, or malignant

- Intermittent: May suggest colic-like pathology

3. Site of Pain

Localized to Lump:

- Direct involvement

- Most common

Referred Pain:

- Pain felt distant from source

- Due to shared nerve supply

- Example: Hip joint disease referred to knee

4. Time of Onset

Critical Diagnostic Point:

Pain Precedes Swelling (Appeared before lump was noticed):

- Characteristic of Inflammation

- Patient remembers pain first

- Swelling developed later

- Examples: Abscess, cellulitis, acute infection

Swelling Precedes Pain (Lump noticed first, pain later or absent):

- Characteristic of Tumor (benign or malignant)

- Patient noticed lump incidentally

- Pain appears late (if at all)

- Examples: Lipoma, cyst, benign tumor, early cancer

- Exception: Osteosarcoma (pain early, before swelling)

Part D: Personal History

Menstrual History (In Women):

Important for gynecological swellings:

- Ovarian cysts related to menstrual cycle

- Cyclical pain suggesting ovarian pathology

- Pregnancy status

Habits and Exposure:

Smoking/Tobacco:

- Increases cancer risk

- "Chutta Cancer": Hard palate cancer (smoking with burning end in mouth)

- "Khaini Cancer": Buccal cavity cancer (lime and tobacco)

Betel Leaf/Betel Nut Chewing:

- Increases risk of oral cancers

- Risk of cancers of mouth, tongue, cheek, lip

Alcohol:

- Increases cancer risk

- Associated with liver disease

Part E: Past History

Previous Similar Swellings:

- Helps identify pattern

- Recurrent swellings may indicate familial disease

- Or recurrent infections

Previous Malignancy:

- Increases risk of recurrence

- Increases risk of metastases

Tuberculosis:

- May present as chronic abdominal swelling

- Cold abscess

- Can present as lump

Syphilis:

- Old history may relate to current swelling

Occupational Exposure:

- Chemicals

- Radiation

- Carcinogens

Section 2: Physical Examination of Abdominal Lump

Part A: General Survey

Observe Patient as a Whole:

Cachexia (Wasting):

- Patient looks ill and wasted

- Loss of subcutaneous fat

- Indicates malignancy or chronic disease

- Poor prognosis

Nutritional Status:

- Obese: May have metabolic disease

- Thin: May have malignancy or chronic illness

- Normal: Variable significance

Attitude of Patient:

- How patient positions themselves

- Any guarding or protection of lump area

- Lying still suggests peritoneal involvement

- Restlessness suggests colic or inflammatory pain

General Color:

- Jaundice: Suggests biliary obstruction or liver disease

- Pallor: Suggests anemia from chronic bleeding or malignancy

- Cyanosis: Suggests vascular compromise

Lymph Nodes:

- Examine left supraclavicular fossa specifically

- Virchow's node (left supraclavicular node) = Metastatic gastric cancer

- This is pathognomonic finding for advanced gastric malignancy

Vital Signs:

- Temperature: Fever suggests inflammation/infection

- Pulse: Tachycardia in infection or malignancy

- Respiration: May be affected if mass is large

- Blood Pressure: Assess overall health

Part B: Inspection of the Lump

Patient Positioning: Supine, abdomen fully exposed

Skin Condition Over Swelling

Normal Appearance:

- No changes

- Suggests benign pathology

Shiny, Thinned, Prominent Veins:

- Suggests superficial/subcutaneous origin

- Skin stretched over swelling

Redness/Erythema (Red appearance):

- Suggests acute inflammation

- Suggests malignancy with skin involvement

Ulceration:

- Indicates surface breakdown

- Highly suggestive of malignancy

- Poor prognostic sign

Dimpling/Puckering:

- Suggests skin tethering

- Indicates malignancy with skin involvement

- Poor prognosis

Scars:

- Previous surgery

- Previous drainage of abscess

- Previous trauma

Striae (Stretch marks):

- Pink/red if fresh

- White if old

- Indicates chronic distension

- Or rapid growth (pregnancy, tumor)

2. Position of Swelling

Locate exactly using anatomical landmarks:

- Which quadrant?

- Which region?

- Relation to ribcage, iliac crest, midline

This determines differential diagnosis.

3. Size of Swelling

Measure accurately:

- Use calipers or tape measure

- Record three dimensions:

- Length (craniocaudal)

- Width (transverse)

- Height (if palpable in 3.D)

- Essential for follow-up (monitoring growth)

- Important for surgical planning

Size Categories:

- Small ( less than 2 centimeters): May be missed on exam

- Medium (2 to 10 centimeters): Most common presentation

- Large ( greater than 10 centimeters): Often causes symptoms

4. Shape of Swelling

Round or Ovoid:

- Suggests cyst or benign tumor

- Well-circumscribed

- Benign appearance

Irregular/Nodular:

- Suggests malignant tumor

- Multiple nodular areas

- Uneven surface

Annular/Ring-like (Unusual):

- Intussusception (telescoped bowel)

- Volvulus

5. movement with respiration (crucial for Diagnosis)

This Single Finding Determines Whether Lump is Intra-abdominal or Parietal

Moves with Respiration:

- Moves up and down with diaphragmatic movement

- Indicates INTRA-abdominal origin

- Attached to liver, spleen, kidney, colon, other organs

- Examples: Hepatomegaly, splenic mass, renal tumor, colonic mass

Does not move with Respiration:

- Remains fixed relative to abdominal wall

- Indicates parietal origin (in abdominal wall)

- Examples: Lipoma, hernia, desmoid tumor, scar tissue

- Or fixed (malignant, invasive)

How to Test:

- Watch lump carefully

- Ask patient to breathe deeply

- Observe if lump rises and falls with inspiration/expiration

6. Visible Peristalsis

Look for visible waves of bowel contraction.

Seen In:

- Intestinal obstruction

- Visible as waves across abdomen

- Suggests bowel origin of mass

- May indicate high obstruction

7. Hernial Orifices

Inspect all potential hernia sites:

- Inguinal (bilateral)

- Femoral (bilateral)

- Umbilical

- Incisional sites

Look for:

- Bulge

- Reducibility

- Signs of strangulation

8. Scrotum (In Males):

Examine for testicular mass that might be confused with abdominal mass.

9. Left supraclavikyoolar Lymph Node:

Absolutely Must Check In Every Abdominal Lump Case

Virchow's Node:

- Left supraclavicular lymph node enlargement

- Pathognomonic for metastatic gastric cancer

- Metastases from gastric cancer track along thoracic duct

- Left supraclavicular node is first to enlarge

- Indicates advanced, metastatic disease

- Very poor prognosis

How to examine:

- Patient supine, relax neck

- Palpate left supraclavicular fossa gently

- Feel for enlarged lymph node

- Compare with right side

Part C: Palpation of the Lump

Technique (Same as for abdomen):

- Flat hand, gentle movements

- Warm hands

- Gentle, systematic approach

- Avoid rough palpation (causes guarding)

Systematic Examination Following the 12-Point System:

1. Local Temperature

Warm Lump:

- Suggests inflammation or infection

- Increased blood flow to area

- Abscess (warm and tender)

- Acute infection

Cold Lump:

- Typical of benign pathology

- Malignancy, cyst

- Lipoma

Compare with surrounding skin temperature.

2. Tenderness

Tender Lump:

- Suggests:

- Inflammation

- Infection (abscess)

- Malignancy with nerve involvement

- Recent trauma

- Hemorrhage into lump

Non-tender Lump:

- Suggests:

- Benign pathology

- Lipoma (characteristically non-tender)

- Cyst

- Old/chronic pathology

- Early malignancy (painless)

Degree of Tenderness:

- Severe tenderness: Acute inflammation or infection

- Mild tenderness: Chronic inflammation

- No tenderness: Benign or chronic

3. Position

Reconfirm exact location using bony landmarks.

4. Size

Re-measure with palpation to confirm inspection findings.

5. Shape

Palpation confirms shape:

- Round/ovoid: Benign

- Irregular/bosselated: Malignant

6. Surface

Smooth Surface:

- Benign pathology

- Cyst

- Lipoma

- Fibroadenoma

- Benign tumor

Nodular/Irregular Surface:

- Multiple small nodules

- Suggests malignancy

- Cirrhotic liver

- T.B infection

Bosselated Surface (Lumpy, irregular):

- Multiple uneven lumps on surface

- Highly suggestive of malignancy

Ulcerated Surface (Palpable defect in surface):

- Break in continuity

- Malignancy with surface ulceration

- Poor prognosis

7. Margin

Well-Defined Margins:

- Clear border between lump and surrounding tissue

- Suggests benign pathology

- Encapsulated lesion

- Cyst

Ill-Defined/Infiltrating Margins:

- Indistinct border

- Suggests malignancy

- Tumor infiltrating surrounding tissue

- No clear plane of separation

Irregular Margins:

- Uneven, jagged edge

- Suggests malignancy

8. Consistency

Hardness/Consistency is very Diagnostic:

Hard:

- Stone (renal stone, gallstone)

- Malignancy

- Scirrhous carcinoma (very hard, rock-hard)

- Cirrhotic liver

- Old scar tissue

Soft:

- Lipoma (characteristically soft)

- Cyst (feels soft unless tense)

- Inflammatory mass

- Recent abscess

Cystic (Fluid-filled):

- Positive fluctuation: Fluid can be felt to shift

- Transillumination positive: Light passes through (fluid doesn't stop light)

- Tense cyst: Fluid under pressure feels firm

- Simple cyst: Soft, compressible

- Examples: Baker's cyst, ovarian cyst, hydatid cyst

Rubbery:

- Lymphoma

- Tuberculous lymph node

- Fibroadenoma

Doughy/Boggy:

- Edematous mass

- Inflammatory mass

- Ascites (generalized)

- Hematoma

9. Mobility

Mobility determines whether lump is INTRA-abdominal or parietal:

Mobile in all Directions:

- Moves freely in all planes

- INTRA-abdominal (free-lying)

- Free to move with gentle pressure

- Examples: Free-floating tumor, cyst, organ enlargement

Limited Mobility:

- Moves but with restriction

- Suggests:

- Adherence to surrounding structures

- Attachments

- Partial fixation

- parietal (in abdominal wall)

Fixed (Immobile):

- Doesn't move despite hand manipulation

- Advanced malignancy with invasion

- Adherent to surrounding organs

- Very poor prognosis

- Cannot be removed surgically (inoperable)

Movement with Respiration (Already discussed):

- Intra-abdominal lumps typically move with respiration

- Parietal lumps don't move with respiration

10. Pulsatile vs Non-Pulsatile

Pulsatile Lump (Felt to pulsate with heartbeat):

Types of Pulsation:

- Expansile pulsation: Lump actually expands with pulse (aneurysm)

- Transmitted pulsation: Lump overlies pulsating vessel but doesn't expand itself

- Feels lump pulsating but it's from vessel beneath

- Not an aneurysm

Conditions with Pulsatile Swelling:

- Abdominal aortic aneurysm (epigastrium/midline)

- Femoral artery aneurysm (groin)

- Splenic artery aneurysm (left upper quadrant, rare)

Clinical Significance:

- Aortic aneurysm = Emergency

- Risk of rupture

- Massive hemorrhage

- Death if ruptured

Non-Pulsatile:

- Most lumps are non-pulsatile

11. Palpation of Hernial Sites

Systematically examine:

- Inguinal rings (bilateral)

- Femoral rings (bilateral)

- Umbilical region

- Previous surgical scars (incisional hernia sites)

Strangulated Hernia Signs:

- Irreducible (cannot be pushed back in)

- Tender

- Red overlying skin

- Associated with vomiting/obstruction

- These = Surgical Emergency

12. Palpation of Liver, Spleen, Kidneys

Even when examining a specific abdominal lump, always palpate solid organs:

Liver:

- Hepatomegaly: Enlarged beyond normal

- Consistency: Hard (cirrhosis, cancer) vs soft

- Surface: Smooth (hepatitis) vs irregular (cirrhosis, metastases)

- Tenderness: Suggests inflammation

Spleen:

- Splenic enlargement: Indicates systemic disease

- Consistency: Hard (T.B, malignancy) vs soft (infection)

- Very tender: Suggests infarction

Kidneys:

- Ballottable mass: Confirms renal origin

- Tenderness: Suggests pyelonephritis or renal pathology

- Size: Enlarged kidney suggests pathology

Part D: Percussion

Percussion note varies with lump content:

- Resonant: Over air (bowel gas)

- Dull: Over lump (fluid, solid tissue)

Helps confirm presence of lump and assess free fluid.

Part E: auskultation

Listen for bowel sounds:

- Absent/decreased: Around inflammatory mass

- Normal: If mass doesn't affect bowel

- Increased: If bowel obstruction present

Section 3: Examination of Lumps by Anatomical Location

The 9 Abdominal Regions

The abdomen is divided into 9 regions for systematic examination of differential diagnoses:

1. Right 2. 3. Left haipokondreeum epigastreeum haipokondreeum 4. Right Lumbar 5. periumbilikal 6. Left Lumbar 7. Right Iliac 8. haipogastreeum 9. Left Iliac fossa fossa

Each region has characteristic lumps with specific differential diagnoses.

Region 1: Right Hypochondriac Region

Location: Below right costal margin

Lumps Found Here:

1. Enlarged Liver (Most Common)

Characteristics:

- Moves with respiration

- Below costal margin

- Smooth or irregular edge depending on cause

- Hard or soft depending on pathology

- Non-tender or tender

Identification Points:

- Murphy's sign: Positive in gallbladder disease

- Movement with respiration (intra-abdominal)

- Palpable below costal margin

- Consistent with liver size

Causes of Hepatomegaly:

- Acute hepatitis

- Chronic liver disease

- Cirrhosis

- Fatty liver

- Hepatic metastases

- Hepatic cyst

- Hepatic abscess

2. Enlarged Gallbladder (Hydrops, Empyema)

When Palpable:

- Usually not palpable (protected by rib cage and omentum)

- Palpable only if:

- Markedly dilated

- Empyema (pus-filled)

- Wrapped with greater omentum (protective layer)

Characteristics:

- Moves with respiration

- Below costal margin in R.U.Q

- Tender

- Firm, possibly distended

- Murphy's sign positive

3. Hepatic Abscess

Characteristics:

- Fever

- Tender

- Hepatomegaly

- Warm lump

- History of infection

Causes:

- Amoebic abscess (tropical areas)

- Pyogenic abscess (secondary to infection elsewhere)

4. Hepatic Cyst

Characteristics:

- Non-tender

- Soft to cystic consistency

- Transillumination may be positive

- Moves with respiration

- No fever

5. Pyloric Obstruction (Gastric)

Identification Points:

- Visible peristalsis

- Moves with respiration

- In epigastrium (may extend to R.U.Q)

- Associated with vomiting

Region 2: Epigastric Region

Location: Upper middle abdomen

Lumps Found Here:

1. Gastric Carcinoma (Most Common Mass Here)

Characteristics:

- Painless initially

- Hard, fixed mass

- Weight loss

- Patient looks ill (cachexia)

- Virchow's node often present (left supraclavicular)

- No movement with respiration (fixed/invasive)

- Deep palpation needed (often deep in epigastrium)

Identification Points:

- Painless lump + weight loss = Gastric cancer until proven otherwise

- Hard, rock-hard consistency

- Fixed (doesn't move)

- Virchow's node positive

- Anemia

Poor Prognosis Signs:

- Virchow's node

- Weight loss

- Ascites

- Distant metastases

2. Gastric Ulcer (Complications)

When Forms a Palpable Mass:

- Usually doesn't form discrete mass

- Thickening around ulcer edge

- Tender

- Associated with ulcer history and pain

3. Pyloric Obstruction

From Pyloric Stenosis or Scarring:

- Visible peristalsis

- Palpable mass occasionally

- History of vomiting

- Dilated stomach

4. Pancreatic Carcinoma (Pancreatic)

Characteristics:

- Deep location (in pancreatic bed)

- Firm, hard mass

- Fixed

- Weight loss

- Jaundice (if head of pancreas, blocks bile duct)

- Non-tender

- Painless initially

- In 70% of cases: Cancer of pancreatic head (presents with jaundice first)

Identification Points:

- Deep palpation required

- Hard, fixed

- Jaundice + weight loss + epigastric mass = Pancreatic cancer

- Poor prognosis (advanced at presentation)

Why Late Diagnosis:

- Deep location (not easily palpable)

- Painless initially

- By time symptoms appear, often metastatic

5. Pancreatic Cyst/Pseudocyst

Characteristics:

- Cystic consistency

- Deep in epigastrium

- Soft

- Non-tender or mildly tender

- Related to pancreatitis history

6. Aortic Aneurysm (A.A.A)

Characteristics:

- Pulsatile (feels to pulsate with heartbeat)

- Expansile pulsation (lump expands with pulse)

- Epigastrium or left of midline

- Hard wall

- Associated pain (back, flank, abdomen)

- Emergency (risk of rupture and massive hemorrhage)

Identification Points:

- Pulsatile

- Expansile pulsation

- Older patient

- History of hypertension, smoking

7. Hepatomegaly (Extends Here)

If liver very enlarged, may extend into epigastrium.

Region 3: Left Hypochondriac Region

Location: Below left costal margin

Lumps Found Here:

1. Enlarged Spleen (Most Common)

Characteristics:

- Moves with respiration

- Firm consistency

- Smooth or irregular surface

- Non-tender or tender depending on cause

- Notch palpable: Splenic notch on medial border (confirms splenic origin)

Identification Points:

- Movement with respiration

- Ballottable (kidney-like mass behind)

- Splenic notch often palpable

- Associated fever/systemic disease suggests cause

Causes of Splenomegaly:

- Infection: Mononucleosis, T.B, malaria

- Hemolysis: Hereditary spherocytosis

- Infiltration: Lymphoma, leukemia

- Thrombosis: Splenic infarction (very tender)

- Congestion: Cirrhosis (portal hypertension)

2. Renal Mass (Left Kidney)

Characteristics:

- Ballottable (moves between two hands)

- Loin tenderness (C.V.A sign positive)

- Hard or firm

- Moves with respiration

- Tenderness

Identification Points:

- Ballottable

- C.V.A tenderness

- Can palpate upper pole

- Moves with respiration

Causes:

- Renal carcinoma

- Hydronephrosis

- Renal stone (usually very painful)

- Renal abscess (fever, tender)

- Renal cyst

3. Renal Cyst

Characteristics:

- Cystic consistency

- Non-tender

- Ballottable

- No fever

4. Renal Abscess

Characteristics:

- Fever

- Tender

- Warm lump

- Ballottable

- History of pyelonephritis

5. Renal Stone (Palpable)

When Palpable:

- Usually not palpable (small)

- Only if very large

- Associated with severe loin pain

- Palpable tenderness over kidney

6. Splenic Infarction

Characteristics:

- Very tender (extremely painful)

- Splenomegaly

- History of sickle cell disease or thromboembolic event

- Fever

- Elevated W.B.C

7. Subphrenic Abscess

Location: Under diaphragm

- May present as swelling in left upper quadrant

- Associated Kehr's sign (left shoulder pain)

- Fever

- History of upper abdominal surgery

Region 4: Right Lumbar Region

Location: Right side, lateral abdomen

Lumps Found Here:

1. Renal Mass (Right Kidney)

Characteristics:

- Ballottable

- C.V.A tenderness positive

- Loin tenderness

- Hard or firm

- Moves with respiration

Causes:

- Renal carcinoma

- Hydronephrosis (dilated)

- Renal cyst

- Renal abscess

- Renal stone (if large enough to palpate)

2. Colon Mass

Right Colon Tumors:

- Fixed, hard mass

- May be mobile or fixed

- Right-sided tenderness

- History of altered bowel habits

- Weight loss

- Anemia

Identification Points:

- Hard, irregular

- Fixed

- Associated bowel symptoms

- Weight loss

- Right lower quadrant location

3. Colonic Diverticulitis

If Chronic:

- Thickened bowel wall

- Tender mass

- Associated left-sided symptoms

- History of diverticulitis

Region 5: Periumbilical Region (Umbilicus and Around)

Location: Central abdomen around belly button

Lumps Found Here:

1. Umbilical Hernia

Characteristics:

- Bulge at umbilicus

- Reducible (can push back in)

- Cough impulse present

- Non-tender or mildly tender

- Defect palpable in fascia at umbilicus

Identification Points:

- Obvious bulge at umbilicus

- Cough impulse

- Reducible

- Defect in linea alba

2. Umbilical Cyst

Characteristics:

- Cystic consistency

- Non-tender

- Translucent (if dermoid cyst)

- At umbilicus

- Non-reducible (not a hernia)

Types:

- Dermoid cyst

- Hygroma

- Other cystic lesions

3. Persistent Urachus

Embryological Remnant:

- At umbilicus

- May contain mucus (drainage from umbilicus)

- If infected: Warm, tender, fever

- History of drainage from umbilicus

4. Intussusception (in Children)

Characteristics:

- Sausage-shaped mass

- Palpable in epigastrium or left lumbar region (not umbilicus)

- Firm, mobile

- Tender

- "Sign de danse" (Dance sign): Empty right iliac fossa

- Right iliac fossa appears empty

- Because that bowel has telescoped into proximal portion

- Forms the sausage-shaped mass

Associated Findings:

- "Red-currant jelly" stool (blood and mucus)

- Pain (colicky)

- Vomiting

- Child usually less than 3 years old

5. Omentum (in Obstruction)

If Obstructed Bowel:

- Omental mass palpable

- Mobile

- Tender

- Associated bowel obstruction signs

6. Small Bowel Mass

Benign or Malignant:

- Variable characteristics

- May be palpable if large

- Associated symptoms

Region 6: Left Lumbar Region

Location: Left side, lateral abdomen

Lumps Found Here:

1. Colon Mass (Left Colon/Descending Colon)

Characteristics:

- Hard, fixed mass

- Left-sided location

- Altered bowel habits

- Weight loss

- Left-sided tenderness

Identification Points:

- Hard, irregular

- Fixed

- History of constipation or diarrhea

- Blood in stool possible

- Weight loss

2. Sigmoid Cancer

Very Common:

- Hard, ring-like or stricturing appearance

- Often fixed

- Weight loss

- Altered bowel habits

- Constipation (obstruction pattern)

- Blood in stool

3. Renal Mass (Left Kidney)

Same as described for left hypochondriac region, may extend into lumbar region.

4. Ureter Stone (Rarely Palpable)

Usually Not Palpable:

- Only if very large

- Severe left-sided pain

- Loin tenderness

Region 7: Right Iliac Fossa

Location: Right lower abdomen

Lumps Found Here:

1. Inguinal Hernia

Characteristics:

- Bulge at groin

- Reducible

- Cough impulse

- Palpable inguinal ring

- History of intermittent swelling

Identification Points:

- At inguinal ring

- Cough impulse

- Reducible

- Can get fingers above and lateral to bulge

2. Femoral Hernia

Characteristics:

- Below inguinal ligament

- Cannot get fingers above it

- Firm, may not be reducible

- High risk of strangulation

- Often presents with obstruction

3. Appendiceal Mass (Late Presentation)

When Forms Mass:

- Several days into appendicitis

- Tender

- Firm, irregular

- Often fixed

- Associated fever

- Positive Rovsing's sign

Identification Points:

- McBurney's point tenderness

- Fever

- Elevated W.B.C

- Mass at R.I.F

- History of initial periumbilical pain

4. Appendiceal Abscess

If Appendix Ruptured:

- Pus collection

- Firm, tender mass

- Fever, high W.B.C

- History of appendicitis

5. Crohn's Disease (Regional Ileitis)

Chronic Inflammation:

- Thickened bowel wall

- Tender mass

- History of diarrhea, abdominal pain

- Weight loss

- May palpate "skip lesions"

- Associated extraintestinal manifestations

Identification Points:

- Chronic diarrhea

- Abdominal pain

- Weight loss

- Thickened, tender mass

- Cobblestone mucosa on colonoscopy

6. Caecal Carcinoma

Characteristics:

- Hard mass

- Fixed or mobile

- Weight loss

- Anemia (from chronic bleeding)

- No obstruction (large diameter of caecum)

- May present as palpable mass

7. Psoas Abscess (Rare)

T.B Originating from Spine:

- Usually not at R.I.F (more likely psoas region posteriorly)

- But may present here

- Chronic fever

- History of T.B

- Firm, tender, fixed mass

Region 8: Hypogastrium (Lower Middle Abdomen)

Location: Below umbilicus, above pubic symphysis

Lumps Found Here:

1. Distended Bladder

When Enlarged:

- Suprapubic swelling

- Smooth, firm, dull

- Tender or not tender depending on fullness

- Percuss out upper border (extends upward into abdomen)

- Associated urinary retention

- Relieved after catheterization

Identification Points:

- Suprapubic location

- Smooth outline

- Upper border extends above pubis

- Associated retention symptoms

- Dull to percussion

2. Prostate Enlargement (Benign)

When Massively Enlarged:

- Suprapubic swelling

- Associated urinary symptoms

- Firm, smooth

- Rectal examination shows enlarged prostate

Usually:

- Not palpable as abdominal mass

- Detected on rectal exam

3. Uterine Fibroid (In Women)

Characteristics:

- Large, firm mass

- Smooth surface

- Moves slightly with respiration (intra-abdominal)

- Non-tender or mildly tender

- May be multiple lumps

- In hypogastrium if low-lying fibroid

Identification Points:

- In women of childbearing age

- Multiple masses possible

- Hard, smooth

- Mobile

- Palpable suprapubically

Symptoms:

- Heavy menstrual bleeding

- Pain (if degeneration)

- Pressure symptoms

4. Ovarian Mass (In Women)

Characteristics:

- Varies by type

- Cystic (simple cyst) or solid (tumor)

- May be tender

- Moves with respiration

- Palpable suprapubically if large

- Smooth or irregular depending on type

Identification Points:

- In women

- Mobile

- Cystic or solid

- Transillumination if simple cyst

5. Bladder Tumor

Rare Palpable Mass:

- Only if large

- Hard mass

- Suprapubic location

- Associated hematuria

- History of dysuria

6. Small Bowel Mass

If Large Enough:

- May present here

- Mobile or fixed

- Variable consistency

Region 9: Left Iliac Fossa

Location: Left lower abdomen

Lumps Found Here:

1. Sigmoid Colon Mass (Most Common)

Cancer of Sigmoid:

- Hard, fixed mass

- Left-sided

- Weight loss

- Altered bowel habits (constipation from stricture)

- Blood in stool

- History of left-sided pain

Identification Points:

- Hard, irregular

- Fixed

- Altered bowel pattern

- Weight loss

- Blood in stool possible

2. Sigmoid Diverticulitis (Chronic)

If Chronic/Recurrent:

- Thickened bowel wall

- Tender mass

- History of diverticulitis episodes

- History of left-sided pain, fever episodes

- Associated altered bowel habits

3. Ovarian Pathology (In Women)

Ovarian Cyst:

- Mobile, cystic mass

- Left-sided

- May be tender

- Moves with respiration

- Transillumination if simple cyst

Ovarian Cancer:

- Hard, irregular, fixed mass

- Weight loss

- Associated ascites

- Poor prognosis

4. Ovarian Fibroid (In Women, Rare)

Characteristics:

- Firm mass

- Smooth

- Mobile

- Moves with respiration

- In left iliac region

5. Psoas Abscess (T.B)

From Caries Spine:

- Chronic fever

- Weight loss

- History of T.B

- Firm, tender, fixed mass

- Often more posterior (loin)

- But may present in lower abdomen

6. Femoral Hernia

At Femoral Ring:

- Below inguinal ligament

- Bulge at groin

- Cannot get fingers above it

- High strangulation risk

Summary Table - Key Identification Points by Region

Table summary: Common abdominal lumps and their key features organized by region. In the Right Hypochondrium, lumps like Hepatomegaly and Gallbladder move with respiration, while the Left Hypochondrium features Splenomegaly and Renal masses that also move with respiration. The Epigastrium is associated with Gastric and Pancreatic cancers, characterized as deep, fixed, and painless. The Right and Left Lumbar regions both list Renal masses, which are ballottable, and Colon cancer, which is fixed. The Periumbilical region includes reducible Umbilical hernias and sausage-shaped Intussusception. In the Right Iliac Fossa, Appendiceal masses are tender, while Crohn's disease is chronic. The Hypogastrium contains smooth, suprapubic lumps like the Bladder and Uterine fibroids. Finally, the Left Iliac Fossa lists fixed Sigmoid cancer and mobile Ovarian masses.

Section 4: Special Investigations for Abdominal Lumps

Investigations are tailored to suspected diagnosis based on clinical examination.

A. for Gastric and Duodenal Pathology

Upper G.I Series (Barium Meal):

- Shows filling defects (ulcer, cancer)

- Shows narrowing (cancer, scarring)

- Shows gastric outlet obstruction

Limitations:

- Radiation

- Less sensitive than endoscopy

- Endoscopy now preferred

Upper G.I Endoscopy (Gold Standard):

- Direct visualization of lesion

- Biopsy possible (diagnoses cancer)

- Shows nature of lesion

- Most accurate for gastric pathology

C.T Abdomen:

- Staging of gastric cancer

- Shows extent of disease

- Shows involvement of adjacent structures

- Shows lymph node metastases

Tumor Markers:

- C.E.A (Carcinoembryonic antigen)

- C.A 19 to 9

- A.F.P (if suspected liver involvement)

B. for Liver and Gallbladder Pathology

Liver Function Tests:

- Bilirubin, A.L.T, A.S.T, A.L.P

- Shows degree of liver dysfunction

- Shows cholestasis pattern (obstructive jaundice)

Ultrasound Abdomen:

- First-line investigation

- Shows hepatomegaly

- Shows cysts, masses, cirrhosis

- Shows gallbladder stones

- Shows bile duct dilatation

- No radiation

- Inexpensive

C.T Scan:

- Better than ultrasound for:

- Characterizing lesions (cyst vs solid)

- Showing metastases

- Staging cancer

M.R.I Abdomen:

- Excellent for biliary tree visualization

- Shows bile duct stones

- No radiation

- Useful for complex pathology

Hepatobiliary Scan (99mTechnetium-I.D.A):

- Shows liver function

- Shows bile duct patency

- Shows gallbladder filling

E.R.C.P (Endoscopic Retrograde Cholangiopancreatography):

- Visualizes bile duct

- Can remove stones

- Therapeutic capability

Liver Biopsy:

- If cirrhosis, fibrosis, hepatitis suspected

- Tissue diagnosis

- Shows degree of inflammation/fibrosis

Alpha-fetoprotein (A.F.P):

- For hepatocellular carcinoma

- Elevated in H.C.C

- Used for surveillance

Hepatitis Serology:

- If viral hepatitis suspected

- H.B.s.A.g, H.B.s.A.b, H.C.s.A.b, etcetera

C. for Spleen Pathology

Ultrasound:

- Shows splenic size

- Shows cysts, infarctions

- Shows heterogeneous echogenicity

C.T Scan:

- Better characterization

- Shows splenic rupture (trauma)

- Shows infarction

Complete Blood Count:

- Platelet count (low in hypersplenism)

- R.B.C indices (anemia)

- W.B.C (elevated in infection)

- Reticulocyte count (hemolysis)

Blood Film:

- Spherocytes (hereditary spherocytosis)

- Schistocytes (hemolysis)

- Blast cells (leukemia)

D. for Kidney Pathology

Ultrasound K.U.B:

- Shows renal size

- Shows hydronephrosis

- Shows stones

- Shows cysts

- First-line investigation

C.T Urography:

- Shows stone composition

- Shows urothelium

- Diagnoses renal mass characteristics

- Shows metastases

Intravenous Urography (I.V.U):

- Shows renal outline

- Shows pelvicalyceal system

- Shows ureters

- Less used now (replaced by C.T, ultrasound)

Renogram:

- Shows individual kidney function

- Differential renal function

Urine Analysis:

- Hematuria (blood in urine)

- Crystals

- W.B.C (infection)

Serum Creatinine/B.U.N:

- Shows renal function

- Elevated in renal failure

Renal Biopsy:

- If intrinsic kidney disease

- Tissue diagnosis

E. for Pancreatic Pathology

Serum Amylase/Lipase:

- Elevated in acute pancreatitis

- Returns to normal after acute phase

C.T Abdomen:

- Shows pancreatic size

- Shows necrosis (black areas)

- Shows cysts

- Staging of cancer

- Shows peripancreatic fluid/hemorrhage

E.R.C.P:

- Shows ductal obstruction

- Shows strictures

- Therapeutic capability

Endoscopic Ultrasound (E.U.S):

- Very good for small lesions

- Can biopsy

- High sensitivity

M.R.I/MRCP:

- Shows cysts

- Shows ductal dilatation

- Non-invasive E.R.C.P alternative

F. General Investigations for All Lumps

Complete Blood Count (C.B.C):

- Hemoglobin (anemia in chronic disease/malignancy)

- W.B.C (infection, malignancy)

- Platelets

Erythrocyte Sedimentation Rate (E.S.R):

- Elevated in infection, inflammation, malignancy

- Non-specific

C-Reactive Protein (C.R.P):

- Elevated in infection/inflammation

- More specific than E.S.R

Blood Chemistry:

- Glucose (diabetes)

- Electrolytes

- Liver function tests

- Renal function

Tumor Markers (If Malignancy Suspected):

- C.E.A (carcinoembryonic antigen)

- C.A 19 to 9

- P.S.A (prostate)

- A.F.P (alpha-fetoprotein)

- Others specific to suspected malignancy

Imaging - First Line:

- Ultrasound: First choice for most abdominal lumps

- No radiation

- Inexpensive

- Good characterization

- Real-time imaging

C.T Scan (For Most Detailed Assessment):

- Better than ultrasound for:

- Staging cancer

- Showing metastases

- Imaging obese patients

- Vascular involvement

M.R.I:

- No radiation

- Excellent for soft tissue

- Good for biliary pathology

- Time-consuming

This completes the comprehensive clinical examination guide covering both acute abdomen and abdominal lump examination with detailed clinical information organized for optimal learning and exam preparation. Each section provides the information you would find reading the textbook chapters while being systematically organized for easy understanding and retention.

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