A 65-kg (143-lb) patient with pneumonia is receiving mechani…
A 65-kg (143-lb) patient with pneumonia is receiving mechanical ventilatory support by a volume-controlled ventilator on the following settings with corresponding arterial blood gas values: Mode Assist/control Mandatory rate 10/min VT 700 mL FIO2 0.5 pH 7.48 PaCO2 33 mm Hg PaO2 98 mm Hg HCO3- 24 mEq/L BE 0 mEq/L Which of the following is most appropriate?