You are treating a patient receiving NIV via a V-60 ventilat…

You are treating a patient receiving NIV via a V-60 ventilator in S/T mode. The settings are:IPAP 17 EPAP 8                       Ti 1.0 sec                    FiO2 50%The pts ABG results on these settings are: pH 7.49,  PaCO2 30, PaO2 83, HCO3  23Which change(s) below is (are) appropriate to normalize the ABGs?