Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 2 of 2 for pneumomediastinum
  1. Pneumomediastinum is air in the mediastinum. The mediastinum is the space in the middle of the chest, ... Pneumomediastinum is uncommon. The condition can be caused by injury or disease. Most often, it occurs when ...
  2. ... The space in the chest between the lungs (pneumomediastinum) The area between the heart and the thin ...