You start a chronic obstructive pulmonary disease (COPD) patient on a nasal O2 cannula at 2 L/min. What is the maximum time that should pass before assessing this patient's PaO2 or SaO2?

a. 2 hr
b. 8 hr
c. 12 hr
d. 72 hr


ANS: A
Excerpts from the AARC guideline on O2 therapy in acute care hospitals appear in CPG 41-1.

Health Professions

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