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Pericardiocentesis indication — RCPSC EM MCQ

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HardResuscitation, procedures, airwayPericardiocentesis indicationRCPSC EM

CTAS 1. A 44-year-old with metastatic lung cancer has severe dyspnoea and shock. BP is 76/48, HR 132, JVP is elevated, and bedside echo shows large pericardial effusion with right atrial collapse. No trauma history is present. What is the most appropriate initial management?

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Correct answer: B — Ultrasound-guided pericardiocentesis

Obstructive shock from tamponade in a non-trauma patient requires urgent drainage, preferably ultrasound-guided when time permits.

Reference: Canadian Emergency Ultrasound Society resources; Tintinalli's Emergency Medicine