Medicine A criterion for diagnosis of acute respiratory distress syndrome is? A PaO2/FiO2 >400 mm Hg B Slow onset dyspnea C PaO2/FiO2 <_200 mm Hg D PCWP>l8 mm Hg 💡 Explanation A criterion for diagnosis of acute respiratory distress syndrome is? ✓ Correct Answer: C. PaO2/FiO2 <_200 mm Hg