Fluid Restriction in Patients With Heart Failure

Inclusion Criteria: * Hospital admission for primary diagnosis of acutely decompensated heart failure, regardless of etiology, according to the criteria of the American College of Cardiology; * Diagnosis on echocardiography of heart failure with reduced ejection fraction (\<40%); * Presence of pulmonary congestion defined as at least 2 pulmonary fields with more than 3 B lines in each field on pulmonary ultrasound at the time of hospital discharge. Exclusion Criteria: * Pulmonary fibrosis or other severe disease that changes the image acquisition (significant pleural effusion, severe pulmonary emphysema, previous pneumectomy or lobectomy, primary or metastatic lung cancer, breast implants); * Pregnancy; * Dialysis renal failure patient; * Factors that could hinder follow-up (not returning to the outpatient clinic of Hospital de Clínicas); * Disability or refusing to understand and adhere to the protocol; * Refusal to sign consent form.