Oxygenation Calculators
Oxygenation Index (OI)
OI = (FiO2 × MAP × 100) / PaO2
PALICC PARDS Severity by OI
| Mild | OI 4 - 7.9 |
| Moderate | OI 8 - 15.9 |
| Severe | OI ≥ 16 |
PaO2:FiO2 Ratio
Oxygen Saturation Index (OSI)
OSI = (FiO2 × MAP × 100) / SpO2 (when SpO2 ≤ 97%)