Results of a restrictive use of antiarrhythmic drugs in the chronic treatment of atrioventricular reentrant tachycardias in infancy and childhood

Childhood supraventricular tachycardia (SVT) carries a good prognosis. Thus, treatment should be based on the use of drugs with a low risk of such potentially serious side effects as proarrhythmia, which is well documented for class I and III drugs in chi