Table 1 LUS signs that would suspect COVID-19 disease and LUS signs that are unlikely for COVID-19

bilateral patchy distribution of one of the following:

unilateral appearance of one of the following:

• pleural line irregularity OR

• singular pleural line irregularities OR

• ≥ 3 B-Lines per intercostal space OR

• ≥ 3 B-Lines per intercostal space in a homogenous distribution (e.g. basal lung parts) OR

• small subpleural consolidation (< 1.5 cm) OR

• larger subpleural consolidations (> 1.5 cm) OR

• no or small pleural effusion

• large pleural effusion OR

unilateral appearance of two or more of the criteria above