NPPB and congestive heart failure: The main objective of this study was therefore to describe the burden of symptomatic CHF and the distribution of HFREF vs. HFNEF using a diagnostic approach including self-reported symptoms, echocardiographic information on systolic and diastolic function, and NT-proBNP level in an elderly general population with an especially high burden of adverse risk factors, such as hypertension, obesity and diabetes [17], [18].