Position statement on the use of point-of-care ultrasound in heart failure: Recommendations from the Heart Failure and Atrial Fibrillation, and Clinical Ultrasound Working Groups of the Spanish Society of Internal Medicine (SEMI) - Tung-Chen, Y; Robles, M Beltran; Gracia, J Rubio; Sanchez, G Garcia de Casasola; Iborra, P Llacer; Rubio, S Garcia; Bailon, M Mendez; Hernandez, E Montero; Marteles, M Sanchez; Arrese, M Torres; Macho, J Torres; Silvestre, J Perez (Revista Clínica Española, 2025)