Describe patient with acute onset of worsen pulmonary signs

Question

Problem: 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: Group of answer choices P/F ratio ≤ 100 mm Hg. P/F ratio 100 to ≤ 200 mm Hg. P/F ratio 200 to ≤ 300 mm Hg. P/F ratio > 300 mm Hg.