EXPLORATORY STUDY OF THE MYHEARTSENTINEL SYSTEM, A CARDIAMETRICS MEDICAL DEVICE

Inclusion Criteria: * Patients aged between 18 and 90 years * Affiliated with the social security system. * Patients who have been informed of the study and have signed informed consent. * Patients with heart failure and one of the following two criteria: * Hospitalized for hemodynamic assessment * Hospitalized in a cardiology unit (ICU or telemetry unit) for congestive decompensation of known heart failure defined by \[8\] minimal dyspnea at rest or during exercise AND an elevation of BNP \> 400 µg/ml or NT-proBNP \> 1600 µg/ml Exclusion Criteria: * Patient hospitalized for decompensated heart failure due to an infectious cause requiring antibiotic treatment * Patient requiring intravenous inotropes within the last 24 hours * Patient with ventricular arrhythmias or permanent AF * ACS with ST+ complex complicated by heart failure * Valvulopathy awaiting interventional management * Pericardial constriction * Pregnant or breastfeeding women * Women of childbearing potential without effective contraception * Patients under guardianship, curatorship, legal protection, or legal protection. * Patients already enrolled in an interventional clinical trial that may impact the electrophysiological and cardiac mechanical measurements of the medical device under study. • Inability to position the sensor on the thoracic area of interest * Patients with open wounds, recent scars, or skin infections at the intended SCOUT device placement site * Patients suffering from dermatitis, eczema, psoriasis, or other skin conditions at the placement site. * Physical or psychological inability of the patient or caregiver to use the digital medical telemonitoring device and/or its collection accessories, as determined by the physician wishing to include the patient in the medical telemonitoring project; * Patient refusal to transmit the data necessary to monitor the effective use of the DMN and to obtain individualized or national real-life usage results; * Patient refusal to receive therapeutic support.