Stedman's Medical Dictionary
Stedman's > alveolar-arterial oxygen difference

alveolar-arterial oxygen difference

the difference or gradient between the partial pressure of oxygen in the alveolar spaces and the arterial blood: P(A–a)02. Normally in young adults this value is less than 20 mm Hg.

See Also: alveolar gas equation




 

 

 

 

 

 



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