Transient left-bundle-branch block during anesthesia.
D000368:Aged; D000768:Anesthesia, General / Q000009:adverse effects*; D002037:Bundle-Branch Block / Q000209:etiology*; D002763:Cholecystectomy; D004562:Electrocardiography; D005260:Female; D006801:Humans; D006973:Hypertension / Q000150:complications*