Oxygenation & Gas Exchange
Oxygenation Index (OI)
Development preview · Needs clinical review · Not validated for clinical use. Last clinical review: pending.
Calculated result
Enter the required values and units to calculate.
Formula & limitations
OI = mean airway pressure × FiO₂ (%) / PaO₂
FiO₂ is entered as percent, not a fraction. No severity classification or ECMO indication is inferred.