us-abim MCQ (SBA): HFrEF-Ivabradine

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HardCardiologyHFrEF-Ivabradineus-abimus-usmle-step-3

A 52-year-old with HFrEF (EF 32%) and resting HR 84 in sinus rhythm on maximized beta-blocker, ARNI, MRA, SGLT2 has persistent symptoms. Next add-on with HR-lowering benefit?

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