title: [CME-ECG 23 solution].
authors.affiliation: Klinik fur Kardiologie, Department Innere Medizin, Universitatsspital Zurich, Zurich, Switzerland. corinna.brunckhorst@usz.ch
authors.forename: Corinna B
authors.initials: CB
authors.lastname: Brunckhorst
mesh_terms: D000368:Aged; D001281:Atrial Fibrillation / Q000628:therapy; D001919:Bradycardia / Q000628:therapy; D004562:Electrocardiography; D006801:Humans; D008297:Male; D010138:Pacemaker, Artificial / Q000009:adverse effects; D013997:Time Factors