title: Intermittent left bundle branch block: anatomic substrate as reflected in the electrocardiogram during normal conduction.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology; D006332:Cardiomegaly / Q000175:diagnosis / Q000503:physiopathology; D002648:Child; D003201:Computers; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis / Q000503:physiopathology