Choose the antiarrhythmic drug which prolongs action
potential, can aggravate atrioventricular block but not
heart failure, and has broad spectrum utility in acute
as well as chronic, and ventricular as well as supraventricular arrhythmias:
A. Quinidine
B. Amiodarone
C. Mexiletine
D. Diltiazem

1 Answer

Answer :

B. Amiodarone

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