title: Verapamil induced premature ventricular beats before reversion of supraventricular tachycardia.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000139:chemically induced*; D001794:Blood Pressure / Q000187:drug effects; D001919:Bradycardia / Q000188:drug therapy; D004077:Digoxin / Q000627:therapeutic use; D004562:Electrocardiography; D005260:Female; D006352:Heart Ventricles / Q000187:drug effects; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008750:Methyldopa / Q000627:therapeutic use; D008875:Middle Aged; D013577:Syndrome; D013610:Tachycardia / Q000188:drug therapy; D013614:Tachycardia, Paroxysmal / Q000188:drug therapy; D014700:Verapamil / Q000008:administration & dosage / Q000009:adverse effects* / Q000627:therapeutic use; D014927:Wolff-Parkinson-White Syndrome / Q000188:drug therapy
chemical_list: D008750:Methyldopa; D004077:Digoxin; D014700:Verapamil