What is the role of chest radiography in the evaluation of pneumomediastinum (PM)?

Updated: Feb 26, 2019
  • Author: Patrick L Carolan, MD; Chief Editor: Girish D Sharma, MD, FCCP, FAAP  more...
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Chest radiography usually (although not invariably) reveals a pneumomediastinum. Chest radiography reveals air within the mediastinal space. Coexisting disease (eg, pneumothorax, pneumoperitoneum, pneumoretroperitoneum of pneumopericardium) may also be evident.

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