title: Electrocardiographic determinants of axis during left bundle branch block: study in patients with intermittent left bundle branch block.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002037:Bundle-Branch Block / Q000473:pathology / Q000503:physiopathology*; D006332:Cardiomegaly / Q000503:physiopathology; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology; D006346:Heart Septum / Q000503:physiopathology; D006801:Humans; D007223:Infant; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000503:physiopathology; D013997:Time Factors