P/F Ratio & Oxygenation Index (OI) Guidance

PulmTools

Enter as decimal (e.g. 0.5 for 50%)
Required for OI calculation

References: Berlin Definition of ARDS · ELSO ECMO Criteria

P/F ratio: <300 = ARDS (mild), <200 = moderate, <100 = severe.
OI: >25 = severe, >40 = consider ECMO.