title: [Variable left and bundle-branch block in both phase 3 and phase 4].
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000175:diagnosis / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology*; D006801:Humans
vernacular_title: Blocco di branca sinistra variabile e coesistente in fase 3 e 4