Critical Care - A-a Gradient

A-a Gradient

Input:
Age
Patient Temp
Elevation
Percent Inspired O2
p CO2
Resp Quot
p aO2
Results:
Expected AaG
Measured AaG
 
Decimal Precision:
ExpectedAaG = 2.5 + (0.21 * Age)
MeasuredAaG = (FIO2 * (pAtm - pH2O)) - (pCO2 / RespQuot) + (pCO2 * FIO2 * (1 - RespQuot) / RespQuot) - paO2
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