A 68 year-old patient with advanced emphysema is receiving oxygen by nasal cannula at 1 L/min. The physician has ordered that the patient's SpO2 be maintained at 90%. ABG on 1 L/min are pH 7.34, PaCO2 65 torr, PaO2 55 torr, HCO3 35 mEq/L. What should the respiratory therapist recommend FIRST?
A. Initiate NIPPV
B. Titrate oxygen flow to the nasal cannula
C. Change to a simple mask
D. Change to a non-rebreather mask
Answer: B. Titrate oxygen flow to the nasal cannula
Health Professions
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