Role of verapamil in junctional rhythm.
D000818:Animals; D001283:Atrioventricular Node / Q000187:drug effects*; D004285:Dogs; D004562:Electrocardiography; D006329:Heart Conduction System / Q000187:drug effects*; D006801:Humans; D014700:Verapamil / Q000494:pharmacology*
D014700:Verapamil