oral flecainide was administered to 98 patients with arrhythmias regarded as resistant to other antiarrhythmic agents : quinidines ( 82 ) , propafenone ( 40 ) , beta-blockers ( 30 ) , amiodarone alone ( 38 ) or combined with a class i compound ( 19 ) .
C0016229
flecainide
C0003811
arrhythmias