pneumomediastinum
[ nōō′mō-mē′dē-ə-stī′nəm ]
n.
The escape of air into the mediastinal tissues, usually from interstitial emphysema or from a ruptured pulmonary bleb.
Nearby words
pneumohydropericardium, pneumohydroperitoneum, pneumohydrothorax, pneumolith, pneumolithiasis, pneumomediastinum, pneumomyelography, pneumon-, pneumonectomy, pneumonia, pneumonic
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.