This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
In ARDS, not true is - 
Select and explain. 
A. Decreased pulmonary compliance, B. Increased pulmonary aery pressure, C. Increased left atrial pressure, D. Severe hypoxemia
C: Increased left atrial pressure
Answer: C: Increased left atrial pressure 
Explanation: Answer is C (Increased Left atrial pressure) PCWP of - 18mm lb, with no clinical evidence of increased left atrial pressure.