us-abem MCQ (SBA): Oxygen in ACS

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EasyCardiologyOxygen in ACSus-abemus-abimus-usmle-step-2

A 62-year-old with NSTEMI asks about oxygen therapy. O₂ saturation is 97% on room air. Recommendation?

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us-abem MCQ: Oxygen in ACS — Answer & Explanation | iatroX