Introduction In the last 30 years, treatment of chronic heart failure with reduced ejection fraction (HFrEF) has evolved considerably, and a significant reduction was achieved in mortality over time and hospitalization rates for chronic heart failure (CHF). Neurohormonal blockade has become key in the treatment of CHF, but with the discovery of new therapies such as sodium-glucose cotransporter-2 inhibitors (SGLT2i), neprilysin inhibitors, resynchronization therapies, and new procedures, the number of treatment options in addition to standard therapy has increased considerably. […]