Evaluating Residual Congestion at Discharge in Acute Heart Failure Patients

Inclusion Criteria: * Age ≥ 18 years. * Patients hospitalized for new onset heart failure or worsening heart failure defined by: 1. Symptoms classified as New York Heart Association class III or IV. 2. Clinical or instrumental signs of volume overload (e.g., dyspnea with evidence of pulmonary congestion on X-rays or lung ultrasound, pitting edema, and jugular venous distension). 3. Elevated NT-proBNP levels within the first 24 hours of admission (cutoff values: 450 ng/L for patients \< 50 years; \>900 ng/L for patients aged 50-75 years; \>1800 ng/L for patients \>75 years). * Ability to provide informed consent. Exclusion Criteria: * Known diagnosis of septicemia. * Glomerular filtration rate \< 15 ml/min. * Life expectancy \< 6 months. * Active myocarditis. * Heart transplant recipients. * Patients with ventricular assist devices. * Congenital heart diseases. * Moderate-to-severe liver disease (Child-Pugh B-C). * Patients that will not be followed up by the Heart Failure Unit.