Compared with pressure-controlled inverse ratio ventilation, APRV does which of the following?
a. Decreases the cardiac index
b. Reduces the need for sedation
c. Increases the peak airway pressure
d. Increases the central venous pressure
ANS: B
Compared with pressure-controlled inverse ratio ventilation, APRV reduces peak and mean air-way pressures, increases cardiac index, decreases central venous pressure, increases urine output, increases oxygen delivery, and reduces the need for sedation and paralysis.
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