The device was not returned to zoll medical corporation for evaluation.Instead, the device activity logs were provided for review.The reported malfunction was observed during review of the device activity logs.The logs showed ecg messages related to the customer?s report.The discrepancies found can be caused by multiple factors including, a defective multi-function cable, electrode pads or multi-function connector.Without receipt of the device or accessories, component root cause cannot be firmly established.Analysis of reports of this type has not identified an increase in trend.
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