Zoll medical corporation evaluated the device and the device performed to specification.The device was recertified and returned to the customer.Review of the device activity logs showed two analyses performed during the approximate 5:52 length case.Both analyses result in a "no shock advised" prompt.There is no indication that the device ever charged or delivered a shock.If the device did deliver a shock, a shock delivered entry would be present, and the ecg waveform would show evidence of the delivery, wherein this case, it does not.Therefore, our investigation for this report was unsubstantiated.The device was put through extensive testing including electrical safety and functionality testing without duplicating a malfunction.The device was recertified and returned to the customer.No trend is associated with reports of this type.
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