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  • Title: [Arrhythmia induction during atrial pacing with atrial floating electrodes].
    Author: Izquierdo R, Pelegrín J, Sánchez A, Lacambra I, Carmona A, Rodrigo G.
    Journal: Rev Esp Cardiol; 2004 May; 57(5):479-81. PubMed ID: 15151783.
    Abstract:
    Atrial pacing with floating electrodes primarily designed for single lead VDD systems has disadvantages attributable to the floatability of the electrodes. Body and breathing movements cause changes in the position of the atrial dipole that can lead to failure of atrial capture and sensing, and even alternation of the stimulated chamber. We report the induction of typical intranodal tachycardia episodes related to intermittent failure of atrial capture in a patient with an implanted single lead DDD pacing system. Such systems pose a substantial risk of potentially arrhythmogenic asynchronous pacing.
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