Oxygenation Index

0–1
cmH₂O
mmHg
Health

Oxygenation Index — clinical reference calculator.

Formula

OI = FiO₂(%) × MAP / PaO₂; P/F = PaO₂/FiO₂
  • OI = FiO₂(%) × MAP / PaO₂; P/F = PaO₂/FiO₂ — for clinical reference only.

Oxygenation Index

Oxygenation Index calculation.

Frequently asked questions

Is this validated?
Yes, based on published clinical scoring systems. Always confirm with current guidelines.