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EasyCardiologyHeart Failure (HFrEF)us-abfmus-abimus-usmle-step-2us-usmle-step-3

A 60-year-old man with HFrEF (EF 30%) on evidence-based beta-blocker, ACE inhibitor, and loop diuretic remains NYHA II. Potassium is 4.6 mEq/L; eGFR 60 mL/min/1.73 m². Which additional therapy reduces HF hospitalization and mortality?

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