It was reported by the biomedical engineer that they received sensors that do not work.Specifically, the sensor was unable to detect pr/spo2 values and the plethysmograph was a straight line with occasional "upward and downward" lines on plethysmograph view.When the crna applied a tc-1 to pt's ear, spo2/pr values and plethysmograph waveform were detected.It was noted that multiple attempts were made that day to use the dc-1 on subsequent operating room pts with the same results as noted above.During ongoing troubleshooting with the sensor attached to an lncs mp 10 cable and connected to a philips fast mx2, it was noted that the red/infrared lights were blinking and a "squiggly" line appeared in the plethysmograph view, but no values.Additionally, there were intermittent pr-spo2 values detected, but an irregular plethysmograph that did not correlate with the pulse rate.A new sensor was obtained from biomed and there have been no reported issues of a sensor not working.
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