Mediastinal Shift

            Fig 1, Fig 2

  • Unilateral or asymmetric pleural effusion
  • Chest masses secondary to any causes
  • Unilateral bronchial atresia
  • Unilateral agenesis of lung.

Fig 1:  Diaphragmatic hernia  Cross-sectional scan of thorax at the level of four-chamber view: cystic structure of bowel loop (*) located in the chest with cardiac displacement (arrow) to the right (arrowhead = spine)

Fig 2:  Pleural effusion  Cross-sectional scan of thorax: pleural effusion (*) in the left thorax with cardiac displacement to the right

Video clips of mediastinal shift

Diaphragmatic hernia:  Cross-sectional scan: The stomach is herniated into the chest with cardiac displacement

CCAM (Congenital cystic adenomatoid malformation: CCAM)
CCAM type III: Large echogenic lung mass with mediastinal shift