Fig. 2From: The correlation between lung ultrasound scores and outcomes of high-flow nasal cannula therapy in infants with severe pneumoniaUltrasound images under different lung ultrasound scores. A is 0 score ultrasound image, indicating normal signs; B is 1 score ultrasound image, indicating a small amount of B line; C is 2 scores ultrasound image, indicating diffuse fusion of line B; D is 3 scores ultrasound image, indicating extensive lung consolidationBack to article page