Anesthesia machine failed it "full test" due to not holding circuit pressure.The circuit was completely changed out.Full test was tried again and the machine failed the test.The circuit was changed out again and the cover flow sensors were checked.The machine failed its third "full test." the circuit was completely changed out as well as the pt tube, the co2 absorber, the o2 line was plugged directly into the port (instead of through the oxygen fitting), and the cover flow sensor.The machine then passed its "full test".The pt was brought into the operating room, and the operation started.The machine held continuous peep above 20, despite having a flat scavenger bag and decreasing the tidal pressure.For pt safety the operation stopped and the pt was awakened.Anesthesia machine was taken out of service.The biomet staff was called and they serviced the machine on (b)(6) 2019.Fda safety report id# (b)(4).
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