Arterial-alveolar oxygen partial pressure ratio: a theoretical reappraisal
Viale, J.P.; Percival, C.J.; Annat, G.; Rousselet, B.; Motin, J.
Critical Care Medicine 14(2): 153-154
1986
ISSN/ISBN: 0090-3493 PMID: 3943322 Document Number: 275161
The relationship between the arterial-alveolar oxygen partial pressure ratio (PaO2/PAO2) and different fractions of inspired oxygen (FIO2) was studied using a bicompartmental computer model. PaO2/PAO2 was found to be less stable than in previous clinical works probably because the venous admixture varied with changes in the FIO2.
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