A Patient with ARDS Receiving Ventilatory Support with PEEP Through

question 58

Multiple Choice

A patient with ARDS receiving ventilatory support with PEEP through a volume-cycled ventilator has a plateau pressure of 38 cm H₂O. ABGs on 55% O₂ are as follows: pH = 7.44; PCO₂ = 37 mm Hg; HCO₃^- = 25 mEq; PO₂ = 55 mm Hg; SaO₂ = 88%. Which of the following would you recommend?

• A) Increase the PEEP level.
• B) Make no changes.
• C) Reduce the V_T.
• D) Increase the FiO₂.

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