Treatment of refractory supraventricular arrhythmias with flecainide acetate.

13 children aged 0.2 to 15.7 years (median 7.1 years) with refractory symptomatic supraventricular tachycardia. 12 had structurally normal hearts.

Flecainide acetate (2 mg/kg intravenously for termination, followed by oral administration for prophylaxis)

Termination of tachycardia and successful prophylaxis