Alveolar–arterial (A–a) oxygen gradient
Based on Mellemgaard K (1966).
Pogosh offers this calculator when a case matches pulmonary embolism, pneumonia, chronic obstructive pulmonary disease copd, pulmonary edema, asthma, massive pe. It runs only when you press Calculate.
Decision support for clinicians — review before acting.
References
- Mellemgaard K. The alveolar-arterial oxygen difference: its size and components in normal man. Acta Physiol Scand. 1966;67:10-20. Search PubMed
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