AMBulatory UltraSound for Heart Failure Management

Inclusion Criteria: * Male or female aged 18 and over * Heart failure (regardless of left ventricular ejection fraction) * Diagnosis of heart failure established more than 3 months ago * Absence of significant clinical signs of congestion on clinical examination (absence of crackles and lower limbs oedema greater than perimalleolar oedema) * Affiliation to social security * Receiving complete information about research organization and signed informed consent. Exclusion Criteria: * Natriuretic peptides result, carried out during the previous 30 days, available at the inclusion consultation * Pulmonary or pleural pathology preventing reliable acquisition of lung ultrasound images: severe emphysema, chronic pleurisy, pulmonary fibrosis. * Suspicion of cardiac amyloidosis or proven amyloidosis, * Patient with severe primary heart valve disease * Pregnant woman, parturient or nursing mother * Adult person subject to a legal protection measure (guardianship, curatorship, safeguard of justice) * Person deprived of liberty by a judicial or administrative decision, * Person subject to psychiatric care pursuant to Articles L. 3212-1 and L. 3213-1 of the Public Health Code.