It was reported that the patient passed away due to ventricular fibrillation.Oversensing and undersensing were noted on the device and no high voltage therapy was delivered during ventricular tachycardia (vt) events.Abbott technical support was contacted, session records were reviewed, and the analysis indicated that no high voltage therapy was received due to the programming of the device.Additionally, the oversensing and undersensing were not suspected to have contributed to the lack of high voltage therapy and may have been indicative of the dying heart.Session record analysis indicated no malfunction was suspected on the device or leads.
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