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Cyclic Appropriate Mode Switching and Inappropriate Back Switching of a Biventricular Pacemaker During Atrial Tachyarrhythmia
Author(s) -
ERVEN LIESELOT VAN,
MOLHOEK SANDER G.,
WALL ERNST E. VAN DER,
SCHALIJ MARTIN J.
Publication year - 2004
Publication title -
pacing and clinical electrophysiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.686
H-Index - 101
eISSN - 1540-8159
pISSN - 0147-8389
DOI - 10.1111/j.1540-8159.2004.00420.x
Subject(s) - medicine , cardiology , cardiac resynchronization therapy , concomitant , ventricular pacing , heart failure , ejection fraction
In patients with resynchronization devices and intact intrinsic AV conduction, atrial tachyarrhythmias may give rise to high ventricular rates, resulting in inhibition of (bi)ventricular pacing and concomitant lack of therapeutic effects of the device. This report presents a patient with atrial arrhythmias in whom mode switching and back switching of the biventricular pacemaker occurred, due to special timing of the atrial and ventricular deflections. This case report stresses the importance of strenuous treatment of atrial arrhythmias in patients with resynchronization devices. (PACE 2004; 27:249–251)