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A member asked:
Are pco2 and paco2 interchangeable? i understand paco2 to denote arterial measurement. but what is the difference if any?
A doctor has provided 1 answer
PCO2: pCO2 is the partial pressure of carbon dioxide and gives no information as to where the measurement (or calculation) is being made. "a" is arterial, "v" is venous, "et" is end tidal, and "e" is expired, "A" is alveolar, and "i" is inspired but without the qualifier the location depends on the context. Most of the time arterial is what is being referred to.
Answered 6/10/2015
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