title: Use of bundle of His potentials to assess changes in atrioventricular conduction produced by a series of beta-adrenergic blocking agents.
mesh_terms: D000083:Acetanilides / Q000494:pharmacology; D000319:Adrenergic beta-Antagonists / Q000494:pharmacology; D000328:Adult; D000605:Amino Alcohols / Q000494:pharmacology*; D006328:Cardiac Catheterization; D004594:Electrophysiology; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects* / Q000503:physiopathology; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D010138:Pacemaker, Artificial; D011433:Propranolol / Q000494:pharmacology*; D013565:Sympatholytics / Q000494:pharmacology*
chemical_list: D000083:Acetanilides; D000319:Adrenergic beta-Antagonists; D000605:Amino Alcohols; D013565:Sympatholytics; D011433:Propranolol