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HardCardiologyHFrEF Add-On Therapyus-abimus-usmle-step-3

An 81-year-old man with HFrEF (EF 28%) has BP 102/64, K 4.4, eGFR 58. On ARNI, beta-blocker, MRA, SGLT2. Still NYHA III. Next evidence-based add-on?

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