A patient shows up in the emergency room on a 50% venturi ma…

A patient shows up in the emergency room on a 50% venturi mask with a RR of 28, HR of 104 an SPO2 of 99% and a blood gas as follows.                           pH 7.48, pCO2 31, paO2 205, HCO3 25, Be +1 and SaO2 of 80%The next step the therapist should take is: