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MediumCardiologyHeart Failure with Reduced EFus-abfmus-abimus-usmle-step-2us-usmle-step-3

A 62-year-old with HFrEF (LVEF 30%) is on an ACE inhibitor, evidence-based beta-blocker, and spironolactone. eGFR 70 mL/min/1.73 m², K⁺ 4.5 mEq/L. What additional disease-modifying therapy should be initiated now?

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