A patient with refractory cardiac arrest has received two defibrillation shocks and epinephrine. Ventricular fibrillation persists. What antiarrhythmic drug and initial dose are indicated?
Answer and explanation
Correct answer: D. Amiodarone 300 mg intravenous bolus push
Answer: Amiodarone 300 mg intravenous bolus push.
Why not the others: Lidocaine dose for cardiac arrest is 1 to 1.5 mg/kg, not 5 mg/kg; Magnesium sulfate is indicated for torsades de pointes or hypomagnesemia, not routine VF; Procainamide is not recommended for pulseless cardiac arrest resuscitation.
Why not the others: Lidocaine dose for cardiac arrest is 1 to 1.5 mg/kg, not 5 mg/kg; Magnesium sulfate is indicated for torsades de pointes or hypomagnesemia, not routine VF; Procainamide is not recommended for pulseless cardiac arrest resuscitation.
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