Acute Appendicitis (typical presentation) - Abdominal Examination
General Inspection
Patient appears uncomfortable and mildly distressed with guarded movements. Mild tachycardia may be present. Skin is warm, with no jaundice or pallor.
Inspection of the Abdomen
Abdomen may appear near-normal in contour but with localized guarding or antalgic posture. No visible surgical scars. Focal fullness or distension may be seen in the right lower quadrant (RLQ).
Palpation
- Light palpation
- Marked focal tenderness in the RLQ, maximal at McBurney’s point.
- Deep palpation
- Localized rigidity and rebound tenderness present. Guarding palpable.
- Rovsing’s sign
- Pain in RLQ upon palpation of left lower quadrant (positive).
- Psoas / Obturator signs
- May be positive, suggesting retrocecal appendix.
- Other findings
- No organomegaly or masses unless appendicular lump has formed.
Percussion
Mild localized tenderness on percussion over RLQ. Percussion note is generally tympanic unless paralytic ileus develops.
Auscultation
Bowel sounds are initially normal or slightly hyperactive, but may diminish with localized peritonitis.
Special Tests
Document guarding, rebound tenderness, Rovsing’s, psoas, and obturator signs. If a palpable mass is found in RLQ, describe its size, consistency, tenderness, and definition (suggestive of appendicular lump or abscess).
Conclusion
Findings are consistent with localized peritonism in the right lower quadrant — suggestive of acute appendicitis. Presence of an ill-defined tender mass would indicate an appendicular lump or abscess. Correlate with laboratory tests and imaging (ultrasound/CT) for confirmation.
- Always inspect and palpate gently, starting away from the area of maximal tenderness.
- Ask the patient to cough lightly — localized pain supports peritonism.
- Rebound tenderness and involuntary guarding are key indicators of peritoneal irritation.
- Rovsing’s, psoas, and obturator tests help localize the inflamed appendix.
- If a mass is palpable, consider appendicular lump (phlegmon) vs abscess and avoid deep palpation to prevent rupture.
- Confirm clinical suspicion with imaging and monitor for progression to generalized peritonitis.
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