© 2002 by European Society of Cardiology
CASE REPORTS
Incessant atrioventricular dissociation due to far-field QRS oversensing and recurrent mode switch in a dual chamber pacemaker
Division of Cardiology, University Hospital Lausanne, Switzerland
We report the case of a repetitive and incessant activation of mode switch in a dual chamber pacemaker because of the inappropriate sensing by the atrial lead of far-fields signals from the ventricular evoked response. The incidence, consequences and prevention of the oversensing of far-field QRS complexes are discussed. Copyright 2002 The European Society of Cardiology. Published by Elsevier Science Ltd. All rights reserved.
Key Words: Far-field QRS signal, mode switching, atrial oversensing, cross-talk
Correspondence: J. Schlaepfer, MD, Division de Cardiologie, Centre Hospitalier Vaudois Rue du Bugnon 19, 1011 Lausanne, Switzerland. E-mail: jurg.schlaepfer{at}chuv.hospvd.ch
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