A 40-year-old patient with pneumonia is in the ICU on noninv…

A 40-year-old patient with pneumonia is in the ICU on noninvasive positive pressure ventilation.  The settings and ABG results are as followed: NPPV IPAP 12 cm H20 EPAP 5 cm H20 RR  14 FIO2 50% ABG pH  7.28 PCO2 53 torr P02 68 torr HCO3 25 mEq/L BE -1 Sa02 93% What should the respiratory therapist recommend to improve the patient’s ventilation?