Drug of choice for ventricular arrhythmias due to mycardial infarction (MI) is:
Xylocaine or lidocaine administered intravenously is specifically indicated in the acute management of ventricular arrhythmias such as those occurring in relation to acute myocardial infarction, or during cardiac manipulation, such as cardiac surgery. it belongs to class 1b agents other best drugs to prevent arrhythmias post-MI-lidocaine Ref:
Quinidine
Amiodarone
Xylocaine
Diphenylhydantoin
Cardiovascular system