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Penetrating cardiac injury — RCPSC EM MCQ

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HardTraumaPenetrating cardiac injuryRCPSC EM

A 32-year-old has a stab wound below the left clavicle. He becomes hypotensive with distended neck veins, muffled heart sounds, and no lung sliding abnormality. FAST shows pericardial fluid. What is the most likely diagnosis?

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Correct answer: A — Traumatic cardiac tamponade

Penetrating chest trauma with obstructive shock and pericardial fluid is traumatic tamponade until proven otherwise.

Reference: ATLS principles adapted to Canadian trauma systems