Protocol of Diuretics Use in Congestive Therapy in Heart Failure

Inclusion Criteria: * Adult patients hospitalized for chronic decompensated congestive heart failure without acute pulmonary edema and acute cardiac decompensation against a background of hypertensive crisis * covered under a social security program * with legal capacity to give voluntary informed consent to participate in the study Exclusion Criteria: * First episode of decompensated congestive heart failure * Protocolized shock or hypotension (\<90 mmHg blood pressure) managed or requiring nitrovasodilators or non-invasive ventilation * One of the following cardiovascular pathologies: acute myocardial infarction / cardiac tamponade / aortic dissection / acute pulmonary embolism / heart transplant / ventricular assist device / acute pulmonary edema / hypertensive crisis * More than 12h of intravenous diuretics administered prior to inclusion * Generalized edema caused by cirrhosis or nephrotic syndrome * Requiring pleural or peritoneal tap for therapeutic purposes * Patient allergic or intolerant to furosemide and on long-term bumetanide use * Patient in dialysis or end-stage chronic kidney disease (CKD-EPI-calculated GFR \<15 mL/min/1.73m²) or acute kidney injury of known non-cardiac cause * Severe hypokalemia (\< 3 mmol/L) on admission * Patient who is pregnant, breastfeeding, or of childbearing age not on effective contraception * Adult patient safeguarded under court protection measures (guardianship, wardship, or judicial protection)