us-abem MCQ (SBA): COPD-Oxygen Titration

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EasyRespiratory MedicineCOPD-Oxygen Titrationus-abemus-abfmus-usmle-step-2

A 76-year-old with COPD exacerbation and hypercapnia is started on supplemental oxygen. Which target range is preferred to minimise CO₂ retention?

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us-abem MCQ: COPD-Oxygen Titration — Answer & Explanation | iatroX