title: [Left branch block in alternating phase 4. Considerations on an observation].
mesh_terms: D001024:Aortic Valve Stenosis / Q000601:surgery*; D002037:Bundle-Branch Block / Q000209:etiology* / Q000503:physiopathology; D002114:Calcinosis / Q000601:surgery*; D005260:Female; D006339:Heart Rate; D006350:Heart Valve Prosthesis; D006801:Humans; D008875:Middle Aged; D011183:Postoperative Complications
vernacular_title: Blocco di branca sinistro in fase 4 alternante. Considerazioni su una osservazione.