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Residual pulmonary congestion at discharge is associated with poor prognosis in heart failure (HF), but its quantification through physical examination is challenging. Ultrasound imaging of lung comets (B‐lines) could improve congestion evaluation. The aim of this study was to assess the short‐term prognostic value of B‐lines after discharge from HF hospitalisation compared with other indices of haemodynamic congestion (BNP, E/e', and inferior vena cava diameter) or clinical status (NYHA class).

Sixty consecutive HF inpatients underwent clinical examination, echocardiography, and lung ultrasound at discharge, independently of, and in addition to routine management by the attending physicians. The median B‐line count was 8.5 (5–34). Three‐month event‐free survival for the primary endpoint (all‐cause death or HF hospitalisation) was 27 ± 10% in patients with ≥30 B‐lines and 88 …