Which of the Following Are Included in the Berlin Definition

Multiple Choice

Which of the following are included in the Berlin definition of moderate ARDS?
1) Bilateral infiltrates on chest radiograph
2) Absence of left ventricular failure
3) PaO₂/FiO₂ 100 - 200 mm Hg
4) Oxygenation index (OI) less than 10

A) 1 and 3 only
B) 1, 2, and 3 only
C) 2 and 4 only
D) 1, 2, 3, and 4