title: [Pacemaker syndrome with AV-synchronized stimulation of the heart].
abstract: Characteristic signs of the pacemaker syndrome occurred in a 69-year-old woman with intermittent 3 degrees atrioventricular (AV) block after implantation of a dual-chamber AV-synchronized pacemaker. Cannon beats due to inappropriate atrial timing were the main haemodynamic finding. Their development and size depended on the programmed AV interval and AV-synchronized mode of stimulation. Very long AV intervals in the DDD mode at a heart rate of 100/min caused very unpleasant palpitations and pulsations in the upper thorax. The symptoms due to the cannon beats were avoided by changing to a short AV interval. The clinical and haemodynamic events were thus the consequence of preserved sinus node function with subsequent atrial triggering.
authors.affiliation: Klinik für Kardiologie, Medizinische Universität Lübeck.
authors.forename: U
authors.initials: U
authors.lastname: Stierle
authors.forename: J
authors.initials: J
authors.lastname: Potratz
authors.forename: G
authors.initials: G
authors.lastname: Taubert
authors.forename: R
authors.initials: R
authors.lastname: Mitusch
authors.forename: A
authors.initials: A
authors.lastname: Sheikhzadeh
authors.forename: K W
authors.initials: KW
authors.lastname: Diederich
mesh_terms: D000368:Aged; D006328:Cardiac Catheterization; D004868:Equipment Failure; D005260:Female; D006327:Heart Block / Q000150:complications / Q000175:diagnosis / Q000503:physiopathology / Q000628:therapy*; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D010138:Pacemaker, Artificial; D011669:Pulmonary Wedge Pressure / Q000502:physiology; D013577:Syndrome
vernacular_title: Schrittmachersyndrom bei AV-synchronisierter Stimulation des Herzens.