Which of the following are included in the Berlin definition of ...

[Zoey63294]

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

Question 2

Which of the following factors will increase ventilatory demand (workload)? 1. Severe hypoxemia 2. Pulmonary infection 3. Increased compliance 4. Bronchospasm
 
  a. 1 and 3 only
  b. 1, 2, and 4 only
  c. 3 and 4 only
  d. 2, 3, and 4 only

[mcni194]

Answer to Question 1

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

Answer to Question 2

ANS: B
Factors that may increase ventilatory workload are summarized in Box 52-1.