title: Atrioventricular junctional escape rhythm suppressed by verapamil: evidence suggesting abnormal automaticity.
abstract: A clinical case of atrioventricular junctional escape rhythm is reported with unusual responses to overdrive pacing, lidocaine, and verapamil which were suggestive of abnormal automaticity.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000188:drug therapy*; D001283:Atrioventricular Node / Q000187:drug effects*; D002304:Cardiac Pacing, Artificial; D004562:Electrocardiography; D006329:Heart Conduction System / Q000187:drug effects*; D006801:Humans; D008012:Lidocaine / Q000627:therapeutic use; D008297:Male; D009203:Myocardial Infarction / Q000150:complications; D012849:Sinoatrial Node / Q000187:drug effects; D014700:Verapamil / Q000627:therapeutic use*
chemical_list: D008012:Lidocaine; D014700:Verapamil