title: Alternating bundle branch block.
authors.forename: J T
authors.initials: JT
authors.lastname: Catalano
mesh_terms: D000368:Aged; D002037:Bundle-Branch Block / Q000503:physiopathology* / Q000628:therapy; D003422:Critical Care; D004562:Electrocardiography; D004594:Electrophysiology; D006801:Humans; D008297:Male