a-ADCO2

a A DCO2

A value determined by capnography which corresponds to the difference between the arterial and alveolar end-tidal CO2, which is normally 2–3 mm Hg; the a-ADCO2 can be widened by incomplete alveolar emptying, sampling error, and V/Q abnormalities.

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a-ADCO₂

Arterial blood gases A value determined by capnography which corresponds to the difference between the arterial and alveolar–end-tidal CO₂, which is normally 2–3 mm Hg; the a-ADCO₂ can be widened by incomplete alveolar emptying, sampling error, V/Q abnormalities

McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.