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

A 65-year-old man with HFrEF (LVEF 30%) on lisinopril and metoprolol succinate is euvolemic (BP 122/76, K+ 4.6, eGFR 65 mL/min/1.73 m²). Which additional therapy provides mortality benefit and should be added now?

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