A newborn in the ICU of the Children's City Clinical Hospital after surgery on the esophagus (atresia), an ultrasound of the pleural cavities was prescribed for fluid.
At Ultrasound in the left half of the chest visualizes a parenchymal structure with blood flow at CFM and tree-like hyperechoic structures (bronchial tree with air - air bronchogram) along which the movement of hyperechoic microinclusions (air bubbles) is periodically observed.
Dif. diagnosis: postoperative lung atelectasis, etc.