title: Atrioventricular junctional rhythm in patients receiving oral verapamil therapy.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000368:Aged; D002986:Clinical Trials as Topic; D004311:Double-Blind Method; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013614:Tachycardia, Paroxysmal / Q000188:drug therapy*; D014700:Verapamil / Q000008:administration & dosage* / Q000494:pharmacology
chemical_list: D014700:Verapamil