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

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ModerateRespiratory MedicineCOPD (Oxygen Targets)us-abemus-usmle-step-2

A 65-year-old man with COPD and CAP is hypoxemic (SpO₂ 88% RA). He has PaO₂ 55 mm Hg. Oxygen target saturation?

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us-abem MCQ: COPD (Oxygen Targets) — Answer & Explanation | iatroX