title: THE GENESIS OF THE STEP OR NOTCH ON THE UPSTROKE OF THE ACTION POTENTIAL OBTAINED FROM THE ATRIO-VENTRICULAR NODE.
mesh_terms: D000109:Acetylcholine; D000200:Action Potentials; D000818:Animals; D001283:Atrioventricular Node; D004285:Dogs; D055724:Electrophysiological Phenomena; D004594:Electrophysiology; D006329:Heart Conduction System; D010477:Perfusion; D010600:Pharmacology; D011188:Potassium; D011189:Potassium Chloride; D011817:Rabbits; D012106:Research; D012965:Sodium Chloride
chemical_list: D012965:Sodium Chloride; D011189:Potassium Chloride; D000109:Acetylcholine; D011188:Potassium
keywords: ACETYLCHOLINE; DOGS; ELECTROPHYSIOLOGY; EXPERIMENTAL LAB STUDY; HEART CONDUCTION SYSTEM; PERFUSION; PHARMACOLOGY; POTASSIUM; POTASSIUM CHLORIDE; RABBITS; SODIUM CHLORIDE