7.4 - Aortic dissection and aneurysm Flashcards
1
Q
aortic dissections occur in the proximal ___ cm of the aorta
A
10 cm
2
Q
what is the most common cause of an aortic dissection?
A
HTN
3
Q
marfan and EDS lead to weakness of CT in the media via what process?
A
cystic medial necrosis
4
Q
thoracic aneurysms occur in tertiary syphilis due to what process?
A
endarteritis of the vasa vasorum
5
Q
AAAs are due to what general process?
A
atherosclerosis
6
Q
AAAs have a high risk of rupture when the diameter exceeds ___ cm
A
5 cm
