As reported, the dpt (disposable pressure transducer) provided pressure values that were 20 to 30 mmhg higher than the real values.No alarm or error message was displayed.The device was used with the drćer infinity delta monitor, which was inspected by drćer and no failure was found.All cables were checked without finding any failure.The dpt was exchanged for another one and the problem was solved.Although the patients were treated according to the inaccurate pressure values, there was no allegation of patient injury.The affected dpt was discarded by the hospital and is not available for evaluation.
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