Based on the 2011 Berlin Definition, Severe ARDS Describes a Patient

Based on the 2011 Berlin Definition, severe ARDS describes a patient with acute onset of worsening pulmonary symptoms, signs of noncardiogenic pulmonary edema, and a:

A) P/F ratio ≤ 100 mm Hg.
B) P/F ratio 100 to ≤ 200 mm Hg.
C) P/F ratio 200 to ≤ 300 mm Hg.
D) P/F ratio > 300 mm Hg.