Ge datex-ohmeda aisis anesthesia machine underwent checkout procedure without any issues.Immediately prior to induction of anesthesia, it was recognized that all of the buttons that control oxygen flow, fio2, ventilator settings, and inhaled anesthetic concentration were not functional.Anesthesia machine was changed out, and patient was unharmed.However, if this malfunction had not been recognized (and it was not picked up by the anesthesia machine's automated checkout), then general anesthesia could have been induced with no way to provide an inhaled anesthetic, adjust ventilator settings, gas flows, or fio2.
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