Multiple Choice
A patient with ALI is being ventilated using APRV with the following settings: Phigh = 30 cm H₂O; Plow = 2 cm H₂O; Thigh = 6 seconds; Tlow = 0.8 sec; FɪO₂ = 0.4.The patient's spontaneous rate is 12 breaths/min.The current ABG values are: PₐO₂ = 61 mm Hg; PaCO₂ = 43 mm Hg.What change should the respiratory therapist recommend for this patient?
A) Decrease the Pʜɪɢʜ to 25 mm Hg.
B) Increase the Tʜɪɢʜ to 8 seconds.
C) Decrease the Tʟᴏᴡ to 0.5 second.
D) Increase the Pʜɪɢʜ to 5 cm H₂O.
Correct Answer:

Verified
Correct Answer:
Verified
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