Resp

Question 1

Berlin criteria

Answer 1

Dx of ARDS
Abnormal CXR: bilateral opacities consistent with pulmonary edema, not sufficiently explained by pleural effusion, lobar collapse, or nodules
Respiratory failure <7days from inciting event
Decreased PF ratio <300 (<100 is severe) with at least 5cmH2O PEEP
Should exclude CHF or fluid overload