title: Pharmacologic production of atrioventricular block with and without initial bundle branch block.
mesh_terms: D000109:Acetylcholine / Q000494:pharmacology; D000255:Adenosine Triphosphate / Q000494:pharmacology; D000818:Animals; D001158:Arteries / Q000187:drug effects; D001166:Arteriovenous Shunt, Surgical; D004285:Dogs; D004347:Drug Interactions; D004562:Electrocardiography; D006325:Heart Atria / Q000187:drug effects; D006329:Heart Conduction System / Q000187:drug effects*; D006346:Heart Septum / Q000187:drug effects; D006352:Heart Ventricles / Q000187:drug effects; D006863:Hydrogen-Ion Concentration; D007511:Ischemia / Q000209:etiology; D008012:Lidocaine / Q000494:pharmacology; D010830:Physostigmine / Q000494:pharmacology; D011343:Procaine / Q000494:pharmacology; D014630:Vagus Nerve / Q000187:drug effects
chemical_list: D011343:Procaine; D000255:Adenosine Triphosphate; D008012:Lidocaine; D010830:Physostigmine; D000109:Acetylcholine