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Emergency Medicine Test Prep

Category - Chest Trauma

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Which of the following is the most common site for tearing in a Traumatic Aortic Disruption?

Aortic isthmus
Proximal descending aorta
Ascending aorta
Aortic arch

Explanation

Answer: B - The tethering of the aorta by the ligamentum arteriosum makes this site prone to sheering forces during sudden deceleration.

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