Author, year	Condition	Sample characteristics	Findings
Volpicelli et al. 20083	Alveolar consolidation	217 consecutive patients admitted to EMU with no diagnosis (Turin, Italy)	65.3% of patients with alveolar consolidation had ≥3 B‐lines in the surrounding area
Baldi et al. 20134	Interstitial oedema	20 consecutive in‐patients admitted to ICU who also had chest CT (Pisa, Italy)	>6 B‐lines corresponded with interstitial oedema (94% sensitivity)
Barskova et al. 20135	Systemic sclerosis	58 consecutive out‐patients with systemic sclerosis seen in Rheumatology Clinic (Florence, Italy)	Average 40 B‐lines each overall Average 57 B‐lines in patients with ILD Average 9 B‐lines without ILD
Miglioranza et al. 20136	Heart failure	97 consecutive out‐patients with heart failure seen in the Heart Failure Clinic (Rio Grande do Sul, Brazil)	≥15 B‐lines in a single patient correlated with decompensation Patients with higher BNP had more B‐lines than patients with lower BNP (54 vs. 17 B‐lines per patient)

EMU, emergency medicine unit; ILD, interstitial lung disease; BNP, B‐type natriuretic peptide (higher values = worse heart disease).