In which of the following clinical situations is the incidence of auto-PEEP the greatest? 1. Patients with high respiratory rates 2. Intubated patients with obstructive lung disease 3. Patients with low minute volumes
a. 1 and 2 only
b. 1 and 3 only
c. 2 and 3 only
d. 1, 2, and 3
ANS: A
PEEP has been advocated in small increments (2 to 3 cm H2O) for overcoming auto-PEEP, par-ticularly in the care of patients with obstructive lung disease.
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