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ModerateCardiologyHeart Failure (MRA Use)us-abimus-usmle-step-2

A 66-year-old man with chronic HFrEF (EF 25%), NYHA II, K+ 4.8 mEq/L, eGFR 48. He takes ACE inhibitor, beta-blocker, and SGLT2 inhibitor. Next agent with mortality benefit?

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