title: The natural history intraventricular conduction disturbances in the aged: an analysis of the developing second and third degree heart block with clinical pathological correlations.
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000473:pathology / Q000628:therapy; D003645:Death, Sudden / Q000209:etiology; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006327:Heart Block / Q000209:etiology* / Q000473:pathology; D006331:Heart Diseases / Q000150:complications; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000150:complications; D010138:Pacemaker, Artificial; D011655:Pulmonary Embolism / Q000150:complications; D012306:Risk