Biomarker-defined congestion profiles in very old adults with acute heart failure: beyond ejection fraction classification. - Llàcer P; Croset F; Pérez Nieva A; Campos J; García Melero M; Pérez C; Vergara M; Cevallos Castro P; Oyuela Rodriguez J; Fernández C; Pumares M; Fabregate M; et al. (European geriatric medicine, 2026)