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

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ModerateRespiratory MedicineCOPD-Oxygen Targetsus-abfmus-abimus-usmle-step-2

A 57-year-old with COPD exacerbation presents with pH 7.33, PaCO₂ 58, increased sputum purulence. He is treated with prednisone and antibiotics. Oxygen goal?

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us-abfm MCQ: COPD-Oxygen Targets — Answer & Explanation | iatroX