title: Failure to predict development of atrioventricular block with electrophysiological testing supplemented by ajmaline.
abstract: Electrophysiological tests supplemented by pharmacological stress of atrioventricular conduction with ajamaline failed to predict the development of atrioventricular block in a patient with bifascicular block and no organic heart disease.
mesh_terms: D000219:Adams-Stokes Syndrome / Q000628:therapy; D000404:Ajmaline / Q000494:pharmacology; D002037:Bundle-Branch Block / Q000175:diagnosis / Q000628:therapy; D004594:Electrophysiology; D006327:Heart Block / Q000175:diagnosis* / Q000628:therapy; D006329:Heart Conduction System / Q000187:drug effects; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial
chemical_list: D000404:Ajmaline