Following intubation and prior to start of surgery in the ep lab, the ge aestiva anesthesia machine was unable to manually ventilate patient in the bag mode.Bag was distended but no chest rise observed when squeezed.Pt spo2 values decreased for period of 4 minutes, until machine was able to ventilate in mechanical ventilation mode.The intervention required to prevent permanent impairment/damage at this point is that an ambu-bag had to be used to deliver oxygen to the pt.Next, the machine was reconnected to the pt, and successfully ventilated the pt.In mechanical ventilation mode.The other serious or important medical event was that the procedure was cancelled as a result of the desaturation event.Pt was not found to have sustained any neurological damage as a result of event, was discharged from hospital, and procedure was successfully performed 10 days later.Fda safety report id# (b)(4).
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