CTICasesBlunt Aortic Injury (Grade 4)
Imaging findings
CT in a trauma patient post-MVC shows active contrast extravasation (Grade 4 blunt aortic injury), large mediastinal hematoma, and dissection/occlusion of the proximal left subclavian artery, treated urgently with TEVAR.
Key takeaways
Grade 4 blunt aortic injury is characterized by active aortic rupture or extravasation. This is a surgical emergency requiring immediate TEVAR or open repair, regardless of other injuries, to prevent fatal exsanguination.
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