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.

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weal
well-being, prosperity, or happiness.
the intervening time.
a somewhat prolonged, sharp, shrill cry, as of pain, fear, or surprise.
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Words nearby pneumomediastinum

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.