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23 Cards in this Set
- Front
- Back
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aneurysms are always due to ___
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destruction of media
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the media is the ___est part of the vessel wall
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strong
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frequent causes of aneurysm (3)
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arteriosclerosis
atherosclerosis medial necrosis |
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rare causes of aneurysm (5)
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syphilis
polyarteritis nodosa trauma Berry aneurysm mycotic aneurysm |
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berry aneurysms are ___. they are the most common ___
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saccular aneurysms off of or near circle of willis
cause of subarachnoid hemorrhage |
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____ is the most common atherosclerotic aneurysm. it is most common in ____ over age ___
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aortic
men 60 |
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aortic aneurysms are most commonly in ___. this is above/below renal arteries
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distal abdominal aorta
below |
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2nd most common location of AA is ___
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common iliac a.
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AAAs present with ___ (2). initially they may be ___
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abdominal pain
lower back pain asymptomatic |
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the cutoff for likely rupture of an AS aneurysm is ___. above that ruputure is likely within ___ years.
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5-6 cm
10 |
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mortality for elective aneurysm surgery is ___%, for emergency surgery is ___%
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5
50 |
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tertiary syphilis damages ___, specifically ___ (2)
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thoracic aorta
ascending transverse arch |
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damage in syphillis affects ___ causing obliteration of ___. this, in turn, causes ___.
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adventitia
vasa vasorum ischemia of media |
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in syphillis intima becomes ___, which facilitates ___. this can cause ___
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wrinkled
development of atheromas blockage of coronaries |
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syphilis also causes ____ of aortic ring, causing ___
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dilation
aortic insufficiency |
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death in tertiary syphillis is due to (2)
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heart failure
rupture of AA |
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aortic dissection is most common in ___ aged ___. in this group it is associated with ___.
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men
40-70 hypertension |
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____ of patients with aortic dissection die within 24 h
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1/4-1/3
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the tear is in the ___. the blood flows into the ___ and may rupture out.
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intima
media |
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type A dissections ___, where as type B ___. prognosis for type A is ___, for type B ___. ___ is more common
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begin in ascending aorta
begin in descending aorta bad better type A |
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___ is a condition which predisposes to aortic dissection
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cystic medial necrosis
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non-hypertensive patients with dissection include
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marfan's syndrome
ehler danlos syndrome 3rd trimester pregnant women |
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on CTX, the dissection appears as a ___
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wide mediastinum
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