What is the recommended response to a drop in PaO2 when the PEEP level is reduced in a me-chanically ventilated patient?
a. Increase the FiO2.
b. Return the PEEP to the previous level.
c. Increase the rate of mechanical breaths.
d. Do nothing.
ANS: B
If the PaO2 decreases after PEEP is decreased the PEEP level should be returned to its prior set-ting.
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