Pneumomediastinum
| Pneumomediastinum | |
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|---|---|
| A CT scan showing air in the mediastinum | |
| ICD-10 | J98.2, P25.2 |
| ICD-9 | 518.1, 770.2 |
| DiseasesDB | 29460 |
| MedlinePlus | 000084 |
| eMedicine | ped/1832 emerg/469 |
| MeSH | D008478 |
| Pneumomediastinum | |
 | |
|---|---|
| Pneumomediastinum: Spinnaker sail sign. (Image courtesy of RadsWiki) |
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Pneumomediastinum (or mediastinal emphysema, from Greek pneuma - "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 and is often recognized by a "crunching" sound (Hamman's crunch).
Chest X Ray
Images shown below are courtesy of RadsWiki and copylefted
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Pneumomediastinum: Spinnaker sail sign
CT
Images shown below are courtesy of RadsWiki and copylefted
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Pneumomediastinum
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Pneumomediastinum
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Pneumomediastinum and pneumothorax
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Pneumomediastinum and pneumothorax
References
Acknowledgements
The content on this page was first contributed by: C. Michael Gibson M.S., M.D.