Medicine Acute Lung Injury (ALI) is characterized by all except A PaO2/FiO2 < 200mm Hg B Bilateral interstitial infiltrates C PCWP <18 mm Hg D Normal Left atrial pressure 💡 Explanation Acute Lung Injury (ALI) is characterized by all except ✓ Correct Answer: A. PaO2/FiO2 < 200mm Hg