title: The gating mechanism in the distal atrioventricular conducting system.
mesh_terms: D000200:Action Potentials; D000818:Animals; D005117:Cardiac Complexes, Premature / Q000503:physiopathology; D004285:Dogs; D004562:Electrocardiography; D006329:Heart Conduction System / Q000502:physiology*; D011188:Potassium / Q000502:physiology; D011930:Reaction Time; D013610:Tachycardia / Q000503:physiopathology
chemical_list: D011188:Potassium