MediumCardiologyHeart failure with reduced ejection fractionca-mccqe1ca-rcpsc-im
A 65-year-old man with ischaemic cardiomyopathy and left ventricular ejection fraction of 28% presents to clinic with exertional dyspnoea corresponding to New York Heart Association (NYHA) class II. His blood pressure is 118/70 mm Hg and heart rate 76 beats/min. He is currently taking ramipril and furosemide. According to guideline-directed medical therapy, which class of medication should be added next to improve survival?