A patient has received three defibrillation attempts and two doses of epinephrine for refractory VF. What antiarrhythmic drug should be administered next?
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A
Lidocaine 1.5 mg/kg IV
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B
Amiodarone 300 mg IV push
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C
Magnesium sulfate 2 g IV
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D
Procainamide 20 mg/min IV infusion