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Acute lung injury (ALI) Ratio Calculator

Acute lung injury (ALI) is a diffuse heterogeneous lung injury characterized by hypoxemia, non cardiogenic pulmonary edema, low lung compliance and widespread capillary leakage. Calculate ALI PaO2/FIO2 ratio online.

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ALI Ratio Calculator

FIO2  
PaO2 (mmHg)
ALI Ratio=

 
   
  



Formula Used:

ALI = PaO2/FIO2

FIO2 units are in decimal form (e.g. 28% FIO2 = 0.28)
ALI present if < 300
ARDS present if < 200

Calculation of Acute Lung Injury (ALI) Ratio is made easier. Free Online Medical Calculators.