title: Sinus node dysfunction--a physiologic consideration of arrhythmias involving the sinus node.
mesh_terms: D000200:Action Potentials; D000818:Animals; D001145:Arrhythmias, Cardiac / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy; D001283:Atrioventricular Node / Q000503:physiopathology; D001285:Atropine; D001919:Bradycardia / Q000503:physiopathology; D006328:Cardiac Catheterization; D002346:Carotid Sinus / Q000294:innervation; D004562:Electrocardiography; D004594:Electrophysiology; D006323:Heart Arrest / Q000503:physiopathology; D006325:Heart Atria; D006327:Heart Block / Q000503:physiopathology; D006801:Humans; D010138:Pacemaker, Artificial; D005082:Physical Exertion; D011817:Rabbits; D012849:Sinoatrial Node / Q000033:anatomy & histology / Q000503:physiopathology*; D013610:Tachycardia / Q000503:physiopathology; D013997:Time Factors; D014630:Vagus Nerve / Q000503:physiopathology
chemical_list: D001285:Atropine