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Ventricular fibrillation cardiac arrest — ABEM Board MCQ

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EasyProcedures and resuscitationVentricular fibrillation cardiac arrestABEM Board

A 44-year-old man arrives as ESI 1 with crushing chest pain and then collapses. He is pulseless; monitor shows ventricular fibrillation. CPR is in progress and a defibrillator is attached. Which of the following is the most important immediate intervention?

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Correct answer: BDeliver unsynchronized defibrillation

Pulseless VF requires immediate high-quality CPR and unsynchronized defibrillation as soon as available.

Reference: AHA ACLS Adult Cardiac Arrest Algorithm