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ModerateRespiratory MedicineCOPD Exacerbation (NIV)us-abemus-abimus-usmle-step-2

A 63-year-old with pneumonia and COPD exacerbation is hypoxic. ABG: pH 7.31, PaCO₂ 58, PaO₂ 62 on 2 L O₂. Next step to reduce work of breathing?

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