Season 1 Case 41

History: MVA

Season 1 Case 41

Case 41  History: MVA      

This one is a little tough. I’ll give you the subQ air and it’s not a rib fx. Name the sign and the dx.

Answer:

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This was a bit of a eye test. The subcutaneous air was actually a hint. Check out the diaphragms, are they continuous?

Answer: Continuous diaphragm sign - ie Pneumomediastinum

short write ups:

http://radiopaedia.org/articles/continuous-diaphragm-sign

http://residents.thoracicrad.org/BasicSign/CDS.html

nice archival paper on pneumomediastinum signs: http://www.ajronline.org/doi/pdf/10.2214/ajr.166.5.8615238