title: The sick sinus syndrome. A study of 15 cases.
mesh_terms: D000328:Adult; D000368:Aged; D001146:Arrhythmia, Sinus / Q000139:chemically induced / Q000150:complications / Q000628:therapy; D001919:Bradycardia / Q000209:etiology; D006332:Cardiomegaly / Q000000981:diagnostic imaging; D009202:Cardiomyopathies / Q000150:complications; D003327:Coronary Disease / Q000150:complications; D004562:Electrocardiography; D005260:Female; D006323:Heart Arrest / Q000209:etiology; D006327:Heart Block / Q000150:complications; D006333:Heart Failure / Q000150:complications; D006801:Humans; D006980:Hyperthyroidism / Q000150:complications; D008297:Male; D008875:Middle Aged; D009205:Myocarditis / Q000150:complications; D010138:Pacemaker, Artificial; D011859:Radiography; D013345:Subarachnoid Hemorrhage / Q000150:complications; D013566:Sympathomimetics / Q000627:therapeutic use; D013575:Syncope / Q000209:etiology; D013577:Syndrome; D013614:Tachycardia, Paroxysmal / Q000209:etiology
chemical_list: D013566:Sympathomimetics