Intermittent bundle branch block and complete heart block in Marfan's syndrome.
D000293:Adolescent; D002037:Bundle-Branch Block / Q000209:etiology*; D004562:Electrocardiography; D006327:Heart Block / Q000209:etiology*; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008297:Male; D008382:Marfan Syndrome / Q000150:complications* / Q000503:physiopathology