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HYPOXÉMIE PAR RÉDUCTION<br />

En l'absence de<br />

troubles de<br />

diffusion<br />

DE LA PIO2<br />

EQUATION DES GAZ ALVÉOLAIRES<br />

PIO2 = (PB - PH20) . FiO2<br />

150 mmHg = (760-47) . 0,21<br />

PAO2 = PIO2 - PaCO2 / R<br />

100 mmHg = 150 - 40 / 0,8<br />

50 mmHg = 100 - 40 / 0,8<br />

PaO2 = PAO2 - 5<br />

95 mmHg = 100 - 5<br />

45 mmHg = 50 - 5

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