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  Indian J Med Microbiol
 

Figure 4: B lines reflect the coexistence of fluid and air. Fluid at the subpleural interlobular septum surrounded by air-filled alveoli gives B lines. 1 or 2 B lines in a single-ultrasound view have no significance

Figure 4: B lines reflect the coexistence of fluid and air. Fluid at the subpleural interlobular septum surrounded by air-filled alveoli gives B lines. 1 or 2 B lines in a single-ultrasound view have no significance