Tissue Oxygenation Equations – Oakes Academy

EXAMPLES. A) A-aDO2 = PAO2 – PaO2 = [(PB – PH2O) FIO2 – (PaCO2 x 1.25)] – PaO2 = [(760 – 47) .21 – (40 x 1.25)] – 95 = [100] – 95 = 5 mmHg. B) DO2 = CaO2 …