It was reported that this subcutaneous implantable cardioverter defibrillator (s-icd) exhibited noise that was stored as an atrial fibrillation (af) event.Additionally, there was an untreated event.Both times the device was programmed in alternate vector 1x.A chest x-ray was performed, and everything was normal.All three vectors were viewed and there was no evidence of any issues.Auto setup failed in primary due to a few good beats, secondary passed, and alternate passed and was chosen.Technical services (ts) discussed possible causes.The field representative will discuss with the health care professional (hcp).Additional information was received which reported this patient received multiple inappropriate shocks due to noise that was oversensed.Subsequently, the system was explanted and replaced.No additional adverse patient effects were reported.
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