title: Verapamil responsive ventricular tachycardia.
mesh_terms: D000328:Adult; D002037:Bundle-Branch Block / Q000188:drug therapy*; D004562:Electrocardiography; D006352:Heart Ventricles / Q000187:drug effects; D006801:Humans; D008297:Male; D013610:Tachycardia / Q000188:drug therapy*; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D014700:Verapamil