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closed anesthesia


Definition: inhalation anesthesia in which there is total rebreathing of all exhaled gases, except carbon dioxide, which is absorbed; gas flow into the anesthetic circuit consists only of oxygen, in amounts equal to the patient's metabolic consumption, plus small amounts of other gases (nitrous oxide) that undergo continued uptake by and distribution in the patient.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.