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What does a/A stand for?

a/A stands for arterial/alveolar ratio


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Other Resources: Acronym Finder has 10 verified definitions for a/A

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Arterial alveolar ratio (Aa ratio) Aa ratio = PaO 2 (mmHg) / (713*FiO 2) - (PaCO 2 (mmHg)/R). In the following calculation mmHg has been converted to KPa and R (the...