title: Double coupling.
authors.affiliation: Cardiology Unit, Canberra Hospital, Canberra, Australia.
authors.forename: Leah Robyn
authors.initials: LR
authors.lastname: Giles
authors.forename: Kirsten
authors.initials: K
authors.lastname: Strapps
authors.forename: Darryl
authors.initials: D
authors.lastname: McGill
authors.forename: George
authors.initials: G
authors.lastname: Nikolić
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D002037:Bundle-Branch Block / Q000503:physiopathology / Q000628:therapy; D003324:Coronary Artery Disease / Q000503:physiopathology* / Q000628:therapy; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology / Q000601:surgery; D006339:Heart Rate; D006801:Humans; D010138:Pacemaker, Artificial; D018487:Ventricular Dysfunction, Left / Q000503:physiopathology* / Q000628:therapy