9/28/2018

1

Diagnostic Criteria

Grading/Prognostic Criteria

PaO2/FIO2 = 400PaO2/FIO2 = 300PaO2/FIO2 = 200PaO2/FIO2 = 100

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2

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3

V/Q

V/

Q

Ventialtion to perfusion mismatch

V/Q

Shunt = ↓V and ↑Q = V/Q < 1

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4

V/Q

V/

Q

V/Q

V/

Q

V/

Q

V/Q

Diez, et al. “Defending the Lung from Injury: Lung protective strategies for ALI/ARDS”. Advanced Healthcare Network. 7/21/2011.