Asymptomatic tachycardia.
D000328:Adult; D000889:Anti-Arrhythmia Agents / Q000008:administration & dosage*; D003645:Death, Sudden; D005260:Female; D006352:Heart Ventricles; D006801:Humans; D012306:Risk; D013610:Tachycardia / Q000188:drug therapy*
D000889:Anti-Arrhythmia Agents