title: [Intermittent left bundle-branch block: normalization by atrioventricular block].
mesh_terms: D000368:Aged; D001283:Atrioventricular Node / Q000503:physiopathology; D002036:Bundle of His / Q000503:physiopathology; D002037:Bundle-Branch Block / Q000175:diagnosis* / Q000503:physiopathology; D004562:Electrocardiography; D005260:Female; D006327:Heart Block / Q000503:physiopathology; D006801:Humans
vernacular_title: Bloqueo intermitente de rama izquierda: normalición por bloqueo auriculoventricular