As reported, during use in patient with this expired ev1000 flotrac cable, incorrect map (mean arterial pressure), sbp (systolic blood pressure), dbp (diastolic blood pressure) values were displayed on the ev1000 monitor, while at the same time, the same values were clinically correct on a drager monitor.Then, the anesthetist attempted to re-zero the flotrac sensor, and the "selected ao zero point of our tolerance, check dpt" error message was displayed.As a troubleshooting, the co cable was unplugged and replaced with another shorter one to solve the issue.Later on, edwards field clinical specialist went on site to check the cable, and no issues were identified since the values remained within expected parameters, suggesting that this incident might have been caused by a loose connection, probably by moving the monitor intraoperatively.Anesthetist was informed about the troubleshooting to perform in case this issue reoccur.There was no allegation of patient injury.Patient demographics were requested but not available.The device was not available for evaluation since the issue did resolve after taking the cable out and plugging it back in.
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The device was not available for evaluation since the issue was solved.Therefore, a product non-conformance or device failure could not be confirmed.Without return of the product, edwards is unable to perform a complete investigation of the reported event.It is not possible to determine what factors may have contributed to it, and therefore no actions could be planned.The manufacturing records were reviewed and there is no indication of a related nonconformance; all process parameters were met and inspections passed successfully.Complaint histories for all reported events are reviewed against trending control limits on a monthly basis, and any excursions above the control limits are assessed and documented as part of this monthly review.
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