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Ultrasound B-mode B- and C-lines. A) Two B-lines (white arrowheads) arising from diaphragmatic dome. Note mirror liver image and small pericardial effusion (yellow arrowhead). B) Ground glass (asterisk) in case of COVID-19 pneumonia. C) Linear probe. Ground glass (asterisk) and small consolidations (white arrowheads) in case of bacterial bronchopneumonia. D) Convex probe. Same as on C
