Willing and able to give informed consent
Male or female
Aged 18 or above
Confirmed diagnosis of heart failure made by cardiologist and/or echocardiography
Currently managed in primary care
Clinician willing to offer routine POC NT-proBNP monitoring
Terminally ill or receiving palliative care for a condition other than heart failure at time of recruitment
NT-proBNP = N-terminal pro-B-type natriuretic peptide. POC = Point-of-care.