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ModerateCardiologyHeart failure with reduced ejection fractionus-abimus-usmle-step-2us-usmle-step-3

A 59-year-old with HFrEF (EF 30%) on lisinopril and metoprolol succinate remains symptomatic (NYHA II). BP 118/70 mmHg, K⁺ 4.6 mEq/L, eGFR 55 mL/min/1.73 m², A1C 6.8%. Which additional medication should be added to reduce mortality and HF hospitalisation?

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