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Oxygen Index (OI) for ECMO

Oxygen Index

(for use with ECMO--Extracorporeal Membrane Oxygenation)

Inspired Oxygen Concentration (FiO2): %
Mean Airway Pressure (MAP): mmHg
PaO2 (partial pressure of arterial O2): mmHg
Oxygen Index (OI) =
Oxygen Index (OI) = FiO2 x MAP x 100
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          PaO2