MediumCardiologyHeart failure with reduced ejection fractionca-mccqe1ca-rcpsc-im
A 70-year-old man with ischaemic cardiomyopathy (EF 28%) and NYHA class II symptoms is stable on ramipril, furosemide, and spironolactone. His heart rate is 84 beats/min in sinus rhythm, blood pressure is 118/72 mmHg, and creatinine is 95 µmol/L. Which evidence-based medication class should be added next to improve mortality?