title: Clinical implications of atrioventricular and intraventricular conduction abnormalities I.
mesh_terms: D002036:Bundle of His / Q000502:physiology; D002037:Bundle-Branch Block / Q000503:physiopathology; D004562:Electrocardiography; D006327:Heart Block / Q000175:diagnosis / Q000503:physiopathology* / Q000628:therapy; D006329:Heart Conduction System / Q000502:physiology / Q000503:physiopathology; D006801:Humans