A Patient Being Ventilated with APRV Has the Following Settings

question 10

Multiple Choice

A patient being ventilated with APRV has the following settings: pʜɪɢʜ = 24 cm H₂O; T_high = 5 sec; P_low = 4 cm H₂O; T_low = 1 second,FɪO₂ = 0.3.The patient's spontaneous respiratory rate is 10 breaths/min.The current arterial blood gas values are: P_aO₂ = 91 mm Hg; P_aCO₂ = 62 mm Hg.What should the respiratory therapist recommend for this patient?

• A) Increase the P_high to 5.5 cm H₂O.
• B) Decrease the T_low to 0.5 sec.
• C) Increase the P_high to 40 cm H₂O.
• D) Decrease the P_high to 0 cm H₂O.

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