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
ANS: B
The Berlin definition of ARDS includes:
Bilateral infiltrates on chest radiograph
? Absence of left ventricular failure
? PaO2/FiO2 200 to 300 mm Hg for mild ARDS (previously considered acute lung injury or ALI)
? PaO2/FiO2 100 to 200 mm Hg for moderate ARDS
? PaO2/FiO2 less than 100 mm Hg for severe ARDS
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