title: [Origin of impulses of the heart conduction system and treatment of conduction disorders].
mesh_terms: D001145:Arrhythmias, Cardiac / Q000628:therapy*; D004071:Digitalis Glycosides / Q000627:therapeutic use; D004562:Electrocardiography; D006329:Heart Conduction System / Q000502:physiology; D006801:Humans; D010138:Pacemaker, Artificial; D010812:Physical Stimulation; D011342:Procainamide / Q000627:therapeutic use; D013610:Tachycardia / Q000628:therapy; D014630:Vagus Nerve / Q000502:physiology
chemical_list: D004071:Digitalis Glycosides; D011342:Procainamide