MediumCardiology / EndocrinologyHeart Failure with Reduced Ejection Fraction (HFrEF)HF management
A 58-year-old with chronic HFrEF (LVEF 25%) presents for optimization. He is euvolemic on sacubitril/valsartan, metoprolol succinate, and furosemide. eGFR is 55 mL/min/1.73 m², K⁺ 4.6 mEq/L, BP 118/72 mm Hg. Which additional therapy best reduces mortality and HF hospitalization now?