Basal lung consolidation in a 8 month-old girl, showing hypoechoic triangular shape, pleural line attenuation (thick arrows), air (thin arrows) and fluid (triangles) bronchograms. Depth is approximately 2.5 cm (dotted green line). Ultrasonographic appearance is compatible with pneumonia. Image captured using a 3.0–16.0 MHz linear array transducer.