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Copyright ©The Author(s) 2021.
World J Radiol. Oct 28, 2021; 13(10): 327-343
Published online Oct 28, 2021. doi: 10.4329/wjr.v13.i10.327
Figure 4
Figure 4 Images demonstrating the main changes in lung ultrasonography in coronavirus disease 2019 patients. A: Normal A-pattern with presence of 1 B line. B: Normal pleural line with presence of > 3 B lines. C: Irregular pleural line with coalescent B lines. D: Pleural involvement as sign of poor areation.