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Oxygenation Index Calculator

OI = (MAP * FiO2 * 100) / PaO2

Mean Airway Pressure (MAP, cmH2O):

Please enter a valid MAP value.

FiO2 (0.21-1.0):

Please enter a valid FiO2 value between 0.21 and 1.0.

PaO2 (mmHg):

Please enter a valid PaO2 value greater than 0.

Result:

OI:

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Clinical reference tools for education and bedside support. PediaHelper is not a substitute for professional clinical judgment, local protocols, or formal medical advice. Always verify doses, thresholds, and decisions with current guidelines and your care team.