Multiple Choice
A patient being ventilated with APRV has the following settings: pʜɪɢʜ = 24 cm H₂O; Thigh = 5 sec; Plow = 4 cm H₂O; Tlow = 1 second,FɪO₂ = 0.3.The patient's spontaneous respiratory rate is 10 breaths/min.The current arterial blood gas values are: PaO2 = 91 mm Hg; PaCO2 = 62 mm Hg.What should the respiratory therapist recommend for this patient?
A) Increase the Phigh to 5.5 cm H₂O.
B) Decrease the Tlow to 0.5 sec.
C) Increase the Phigh to 40 cm H₂O.
D) Decrease the Phigh to 0 cm H₂O.
Correct Answer:

Verified
Correct Answer:
Verified
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