title: Hidden trigeminy and pulsus alternans.
authors.affiliation: Canberra Hospital, Woden, ACT 2606, Australia.
authors.forename: Linda
authors.initials: L
authors.lastname: Nemeth
authors.forename: Darryl
authors.initials: D
authors.lastname: McGill
authors.forename: George
authors.initials: G
authors.lastname: Nikolić
mesh_terms: D000368:Aged; D001024:Aortic Valve Stenosis / Q000150:complications / Q000175:diagnosis; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006327:Heart Block / Q000150:complications / Q000175:diagnosis / Q000628:therapy*; D006801:Humans; D006973:Hypertension / Q000150:complications / Q000175:diagnosis; D017379:Hypertrophy, Left Ventricular / Q000150:complications / Q000175:diagnosis; D010138:Pacemaker, Artificial; D011674:Pulse; D012720:Severity of Illness Index; D016896:Treatment Outcome