title: Electrocardiogram interpretation.  Case 1: permanent pacemaker malfunction?
authors.affiliation: Department of Cardiology, St Bartholomew's Hospital, London EC1A 7BE.
authors.forename: S
authors.initials: S
authors.lastname: Sporton
authors.forename: D
authors.initials: D
authors.lastname: Holdright
mesh_terms: D000368:Aged; D001281:Atrial Fibrillation / Q000209:etiology*; D002037:Bundle-Branch Block / Q000150:complications*; D004868:Equipment Failure; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial