Pneumomediastinum

Pneumomediastinum (or mediastinal emphysema, from Greekpneuma - "air") is a condition in which air is present in the mediastinum. First described in 1819. Pneumomediastinum is uncommon, it occurs when air leaks from any part of the lung or airways into the mediastinum.

External link

• Article by David J. Vaughan

This article is licensed under the GNU Free Documentation License.
It uses material from the http://en.wikipedia.org/wiki/Pneumomediastinum Wikipedia article Pneumomediastinum.