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HardCardiologyHeart Failure (HFrEF)us-abimus-usmle-step-3

A 52-year-old woman with HFrEF (EF 25%) is euvolemic on quadruple therapy but has HR 84 bpm and sinus rhythm. Which additional agent may reduce HF hospitalisations if HR ≥70 bpm on max beta-blocker?

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