When is the PEEP/CPAP level optimum?
a. O2 delivery to the tissues is maximized.
b. Pressures are maintained below 15 cm H2O.
c. CaO2-CvO2 is maximized.
d. The PaO2 is 60 to 100 mm Hg.
ANS: A
Optimal or best PEEP may be defined as the PEEP that maximizes O2 delivery (DO2).
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