Which lab studies are performed 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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Answer

The following studies are indicated in suspected cases of pneumomediastinum (PM):

ABG

ABG should be checked in individuals presenting with respiratory distress.

Depending on the severity of the underlying respiratory compromise, the blood gas may be normal or may reveal hypoxia, hypocarbia, or hypercarbia.


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