<prompt> Drug of choice for ventricular arrhythmia due to myocardial infarction isQuinidineAmiodaroneXylocaineDiphenylhydantoin  <response>: Refer kDT 6e p 519 Drug of choice for ventricular arrhythmias with myocardial infarction is lignocaine Drug of choice for supraventricular arrhythmia after myocardial infection is beta blockers cardiac function is adequate 