A patient is receiving mechanical ventilation with a fractio…
A patient is receiving mechanical ventilation with a fractional inspired oxygen (FIO2) of 0.85 and a positive end-expiratory pressure (PEEP) of 5 cm H2O. His arterial partial pressure of oxygen (PaO2) is 68 mm Hg, arterial oxygen saturation (SaO2) is 88%, and partial pressure of end-tidal carbon dioxide (PetCO2) is 32 mm Hg. Over the next few minutes his PEEP is titrated resulting in the following data: Time FIO2 PEEP (cm H2O) SpO2 (%) PetCO2 (mm Hg) 0600 0.85 5 88 30 0630 0.85 8 88 30 0650 0.85 10 90 32 0720 0.80 12 93 34 0740 0.80 15 90 25 what action should the respiratory therapist take at this time?
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