the cardiac arrhythmia suppression trial ( cast ) is evaluating the effect of antiarrhythmic therapy ( encainide , flecainide , or moricizine ) in patients with asymptomatic or mildly symptomatic ventricular arrhythmia ( six or more ventricular premature beats per hour ) after myocardial infarction .
C0003811
cast
C0085612
ventricular arrhythmia