The device was not returned to zoll medical corporation for evaluation.Instead, the data file of the customer's report was provided.Review of the data file found the device was displayed ecg through pads view at the beginning of the case while in defib mode.Then, the user turns on pacer mode.In pacer mode, the device goes to lead view automatically to capture pacing activity per design.The user attempted to reboot the device (56 seconds restart), and change/reinstall pads on the patient multiple times but they were unable to see the ecg signal on the patient due to the device being in the leads view for the rest of the case.After the user turned the device in pacer mode, the user never changed the lead view.The device was never power cycled long enough throughout the log to reset the lead view.Power cycle (2 minutes), any defib button press, or top left side button press after restart would have automatically changed the lead view of the device and would have seen the ecg signal.Analysis of reports of this type has not identified an increase in trend.
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