Pneumomediastinum

This post is an answer to the Case – Severe Retrosternal Pain, and Pain on Swallowing

Chest X-Ray Interpretation

  • Air lucency in mediastinum outlining the left heart border and aortic knuckle (arrows).
  • Subcutaneous emphysema in the lower neck (arrowheads).

Pneumomediastinum. Note the thin layer of air outlining the left cardiac and aortic contour (arrows) and subcutaneous emphysema in the lower neck (arrowheads).
Pneumomediastinum. Note the thin layer of air outlining the left cardiac and aortic contour (arrows) and subcutaneous emphysema in the lower neck (arrowheads).

Diagnosis: Pneumomediastinum