To respond to the need for a universal definition of heart failure (HF), a committee comprised of the Heart Failure Society of America (HFSA), the Heart Failure Association of the European Society of Cardiology (HFA/ESC), and the Japanese Heart Failure Society (JHFS) members, across 14 countries and six continents, assembled a consensus document resulting in the new Universal Definition and Classification of HF.

Reference: https://www.acc.org/Latest-in-Cardiology/Articles/2021/07/12/12/31/Universal-Definition-and-Classification-of-Heart-Failure