Reducing heart failure deaths by 25% in 25 years: the '25in25' heart failure summit.

Heart failure (HF) is a major cause of morbidity and mortality in older people, and 80% of people with HF are aged over 60 years. HF is the end point for almost all common cardiovascular diseases, as well as many non-cardiovascular diseases. Despite this, HF remains underdetected and undertreated.