Page 1 of 1: surgery: aortic injury

DrJayKill · Credits: 2554 My Scrapbook

Which of the following is the most common site of aortic injury in
the thorax?
A) at the origin of the aortic arch
B) just above the origin of the innominate artery
C) at the fusion ofthe thoracal and abdominal segments of the aorta
D) just distal to the ligamentum arteriosum
E) between the origin of the left common carotid artery and that
of the left subclavian artery '
.

guest · Credits: 79379 My Scrapbook My Reading List 262569 Books

Horizontal deceleration creates shearing forces at the aortic isthmus, the junction between the relatively mobile aortic arch and the fixed descending aorta. 90-[snip]% of traumatic injuries of the thoracic aorta occur at the isthmus.

So the best answer here, I think, is d!

DrJayKill · Credits: 2554 My Scrapbook

well thanks chand, but where did u get that info from?

guest · Credits: 79379 My Scrapbook My Reading List 262569 Books

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DrJayKill · Credits: 2554 My Scrapbook

thanx

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