Question

A patient in ventricular fibrillation receives immediate CPR and defibrillation with a biphasic device at 200 J; VF persists. Next recommended action?

Accepted Answer

Resume CPR immediately for 2 minutes, then recheck rhythm and defibrillate as indicated

Answer

Give adenosine 6 mg IV then repeat shock

Answer

Intubate before any additional shock

Answer

Give magnesium 4 g IV immediately in all VF

Answer

Stop CPR and obtain a 12-lead ECG

Practice question

A patient in ventricular fibrillation receives immediate CPR and defibrillation with a biphasic device at 200 J; VF persists. Next recommended action?