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ModerateCardiologyHeart Failure (HFrEF)us-abimus-usmle-step-2us-usmle-step-3

A 55-year-old with newly diagnosed HFrEF (EF 25%, NYHA II), BP 118/70 mm Hg, K⁺ 4.5 mEq/L, eGFR 70 mL/min/1.73 m², not on disease-modifying therapy. Which medication should be initiated now to reduce mortality and HF hospitalization?

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