title: Indications for intracardiac electrophysiologic studies in patients with atrioventricular and intraventricular blocks not associated with acute myocardial infarction.
mesh_terms: D002037:Bundle-Branch Block / Q000503:physiopathology; D004562:Electrocardiography; D004594:Electrophysiology; D006327:Heart Block / Q000503:physiopathology*; D006801:Humans; D011379:Prognosis