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Pneumomediastinum in Adult
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Pneumomediastinum in Adult

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Contributors: Paritosh Prasad MD, Ryan R. Walsh MD, Joshua J. Jarvis MD, Alastair Moore MD
Other Resources UpToDate PubMed

Synopsis

Pneumomediastinum is the presence of air in the mediastinum. It is caused by injury, most often esophageal or intestinal perforation. It is also seen as a result of aggressive bag-valve mask ventilation during resuscitation and intubation as well as a result of barotrauma in intubated patients.

Codes

ICD10CM:
J98.2 – Interstitial emphysema

SNOMEDCT:
16838000 – Mediastinal emphysema

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Last Updated: 04/24/2019
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Pneumomediastinum in Adult
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Pneumomediastinum : Neck pain, Pleuritic chest pain, Subcutaneous emphysema, Dysphagia, Dysphonia, Dyspnea, Dry cough, Stridor
Imaging Studies image of Pneumomediastinum
18 yo male with gradual onset chest pain. No clear precipitating event or trauma. Axial CT image of the chest demonstrates extensive mediastinal air outlining the heart, great vessels (straight white arrow), central bronchi (curved black arrow), and tracking into the neck. Interstitial emphysema is also seen (straight red arrow).
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