Oxygen Index (OI)

Calculate the oxygen index for severity assessment.

OI = (FiO2 × MAP × 100) / PaO2

FiO2 (fraction (0-1))

Mean Airway Pressure (MAP) (cmH2O)

PaO2 (mmHg)

Disclaimer: These calculators are for educational and clinical decision support only. Always verify calculations and apply clinical judgment. Not a substitute for professional medical advice.