In which of the following conditions is PEEP likely to be useful? 1. ARDS 2. Pulmonary edema 3. Acute lung injury 4. Neuromuscular disease
a. 1 and 3 only
b. 1, 2, and 3 only
c. 3 and 4 only
d. 2, 3, and 4 only
ANS: B
PEEP and continuous positive airway pressure are effective techniques for improving and main-taining lung volume and improving oxygenation for patients with acute restrictive disease such as acute lung injury, pneumonia, pulmonary edema, and ARDS.
A PaO2 less than 50 to 60 mm Hg with an FiO2 greater than 0.40 to 0.50 is a good general start-ing place for considering use of PEEP or continuous positive airway pressure.
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