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

A 58-year-old with HFrEF (LVEF 30%) is on ARNI, beta-blocker, and MRA. eGFR 60, K⁺ 4.5, A1C 6.9%. What additional therapy improves HF outcomes?

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