Flecainide acetate for long-term prevention of paroxysmal supraventricular tachyarrhythmias.

The effectiveness of flecainide acetate for both acute termination of supraventricular tachycardias following intravenous administration and long-term arrhythmia prophylaxis has been the subject of a number of previous studies, although none are comparable in design to the multicenter clinical trial by Henthorn et al.