Referred pain occurs when the brain misinterprets visceral signals as originating from a somatic region sharing the same dermatome. A prime example is Kehr’s sign, where phrenic nerve irritation from a ruptured spleen refers pain to the left shoulder tip. Distinguishing between these pain types during history-taking is essential for narrowing the differential diagnosis.
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The acute abdomen represents a microcosm of the broader medical practice: a condition where time is tissue, and accurate diagnosis is synonymous with survival. While technology has provided powerful tools like CT scans and laparoscopy, the fundamental approach to the acute abdomen remains rooted in the basics of pathophysiology and clinical examination. The modern physician must integrate the classic teachings of migratory pain and peritoneal signs with contemporary imaging algorithms. As MUDR 182 emphasizes, proficiency in diagnosing and managing the acute abdomen is not merely an academic exercise but a professional obligation. It demands a disciplined mind, a systematic approach, and the clinical courage to act decisively when the signs of surgical emergency become clear. Referred pain occurs when the brain misinterprets visceral