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diffusion of oxygen to alveoli in absence of ventilation.
Providing oxygen to the upper airway of an anesthetized patient or a patient who has had cardiac arrest. Oxygenation is maintained, but carbon dioxide is not eliminated.
See also: oxygenation
ap·ne·ic ox·y·gen·a·tion(apnē-ik oksi-jĕ-nāshŭn)
Diffusion of oxygen to alveoli in absence of ventilation.