Case Studies

Arrhythmia Grand Rounds, June 2015, Volume 1, Issue 2: 67-71
DOI: 10.12945/j.agr.2015.006-15

Oversensing in a Single Chamber Implantable Cardioverter Defibrillator

Paul A. Levine, MD1, Tracy Finegan, NP2, Jason C. Bradfield, MD3, Robin Y. Wachsner, MD4

1 Device Clinic, Department of Cardiology, Olive View UCLA Medical Center, Sylmar, California, USA
2 Heart Failure Clinic, Department of Cardiology, Olive View UCLA Medical Center, Sylmar, California, USA
3EP Lab, Department of Cardiology, Olive View UCLA Medical Center, Sylmar, California, USA
4Department of Cardiology, Cardiology Olive View UCLA Medical Center, Sylmar, California, USA

Abstract

A patient is seen in routine follow up for his ICD implanted for primary prevention. He is clinically stable and has not experienced any therapy. Upon routine interrogation, the system reports multiple episodes of oversensing. Is this a concern and if so, what can be done about it?

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