A 60 kg femаle is оn ventilаtоry suppоrt аnd intubated with a 7.0 ETT. Ventilatory settings and arterial blood gas results are noted below:Mode AC pH 7.36Set Rate 12 PaCO2 50 torrSet VT 600 ml PaO2 45 torrFIO2 0.30 HCO3 25 mEq/LPEEP 0 cm H2O BE 0.5Tot Rate 16Exhaled VT 590 mlPIP 28 cm H2OPlat 23 cm H2OWhat would you recommend at this time?