The patient’s ABG was reported with a pH 7.19, PaCO2 30 mm H…

The patient’s ABG was reported with a pH 7.19, PaCO2 30 mm Hg, PaO2 80 mm Hg, HCO3ˉ 10 mEq/L, BD –16 while totally ventilated at rate of 24 breaths/min via an ET tube.  Which of the following is the appropriate suggestion in correcting this acid base abnormality?