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ModerateRespiratory MedicineCOPD (Stable)us-abfmus-abimus-usmle-step-2us-usmle-step-3

A 59-year-old man with symptomatic COPD has persistent dyspnea on tiotropium (LAMA). He had one exacerbation last year and his blood eosinophils are 80/µL. What is the best escalation of therapy?

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