Key result
Decreasing ventricular sensitivity resolved ventricular pacing inhibition caused by far-field sensing of left atrial activity in a patient with a biventricular pacemaker.
Case Report (n=1)
Far-field sensing of left atrial activity should be considered when troubleshooting ventricular pacing inhibition in atrio-biventricular pacing systems, which can be resolved by decreasing ventricular sensitivity.
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Far-field LA sensing merits consideration in BiV pacing inhibition; single case leaves open generalizability and optimal management.
This case report describes a patient with biventricular pacemaker in whom a far-field sensing of left atrial activity by the pacemaker's ventricular channel resulted in ventricular pacing inhibition. Placing of the left ventricular pacing electrode in the proximal part of the coronary sinus tributary resulted in this far-field sensing problem, which was resolved following decreasing the ventricular sensitivity. The authors suggest that the far-field sensing of the left atrial activity should be kept in mind for troubleshooting of an atrio-biventricular pacing system.
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Oğuz et al. (2002) conducted a case report in Ventricular pacing inhibition due to far-field sensing of left atrial activity (n=1). Decreasing ventricular sensitivity was evaluated on Resolution of far-field sensing problem. Decreasing ventricular sensitivity resolved ventricular pacing inhibition caused by far-field sensing of left atrial activity in a patient with a biventricular pacemaker.
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