A patient receiving 3 L/min O2 through a nasal cannula has a measured SpO2 of 93% and no clinical signs of hypoxemia. At this point, what should you recommend?
a. Decreasing the flow to 2 L/min and re-checking the SpO2
b. Maintaining the therapy as is and re-checking the SpO2 on the next shift
c. Increasing the flow to 4 L/min and re-checking the SpO2
d. Discontinuing the O2 therapy
ANS: A
The goal is a PaO2 greater than 60 mm Hg or hemoglobin saturation greater than 90%.
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