Table 2 Bronchiolitis ultrasound score

Anterolateral data

Normal lung sliding with horizontal artifacts (A-lines).

Diffuse and dishomogeneous interstitial syndrome with confluent, multiple B lines and spared areas.

Diffuse and dishomogeneous interstitial syndrome and/or subpleural lung consolidations.

Vertical artifacts (B-lines) in limited number or absent.

Paravertebral/ posterior data

Interstitial syndrome

Individual B line or absent

Focal, multiple B-lines

Confluent, multiple B lines

Extension on interstitial syndrome

0-6 bilaterally involved intercostal spaces

6-12bilaterally involved intercostal spaces

>12 bilaterally involved intercostal spaces

Presence of subpleural lung consolidation

Absent

Subcentimeter-subpleural lung consolidation

Subpleural lung consolidation of 1 cm or more