flecainide and encainide are extremely powerful and are suitable for the treatment of reciprocating supraventricular paroxysmal tachycardia and of persistent reciprocating tachycardia , the prophylaxis of wpw atrial fibrillation including cases with a short anterograde refractory period of the anomalous pathway and the treatment of ventricular ectopic beats and ventricular tachycardia .
C0016229
flecainide
C0042514
ventricular