pneumomediastinum

English

Etymology

pneumo- +‎ mediastinum

Noun

pneumomediastinum (countable and uncountable, plural pneumomediastina)

1. The condition of having the presence of air in the mediastinum.
   • 1996, Richard A. Clinchy, Dive First Responder, page 73:

     Pneumomediastinum usually goes undiagnosed unless chest x-rays are used for evaluation.