ICU / Critical Care

Oxygenation Index (OI)

Assesses oxygenation severity incorporating ventilator settings

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Input Parameters

Mean Airway Pressure (cmH₂O)

cmH₂O

FiO₂ (%)

PaO₂ (mmHg)

mmHg

Clinical Note (Optional)

0/500 characters

Other evidence-based tools commonly used alongside this calculator

ARDSNet PEEP/FiO₂ Table

Guides PEEP and FiO₂ titration in ARDS

SAPS II (Simplified Acute Physiology Score)

ICU mortality prediction using 17 variables

Passive Leg Raise (PLR) Test

Bedside test for fluid responsiveness without fluid administration

Driving Pressure (ΔP)

Predicts mortality in ARDS better than tidal volume or PEEP alone