Multidimensional Impact of Telemonitoring in Heart Failure (IMPACT-HF)

Inclusion Criteria: * Diagnosis of HF according to the 2021 guidelines of the European Society of Cardiology criteria for ≥3 months. * Admitted for decompensation of chronic HF. * Admitted for HF decompensation ≥30 days and ≤6 months. * HF decompensation in ≥30 days and ≤6 months but discharged directly from the emergency department or managed on an outpatient basis, but requiring intravenous diuretic administration in an ambulatory basis, or \>50% increase in loop diuretic dose. * With previous optimized prognostic medical treatment. * Under treatment with loop diuretic drugs. * New York Heart Association functional class II, III or IV. Exclusion Criteria: * Inclusion in other intervention studies. * Hemodynamic instability. * Acute myocardial infarction, acute pulmonary thromboembolism or stroke in the previous 40 days. * Uncontrolled arrhythmias * On waiting list for transplantation (any organ) or other cardiac surgery. * Advanced mechanical circulatory support. * Chronic renal disease on hemodialysis. * Life expectancy less than 1 year. * Moderate-severe cognitive impairment. * Manifest inability to use a technological system. * Institutionalized. * Limiting psychiatric pathology.