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Great Vessels
AO, IVC-images and mult choice 1
29
Pathology
Undergraduate 2
12/13/2010

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Cards

Term
This image would show an outpouching on one side of the AO.
Definition
saccular aneurysm
Term
This image would have color and show a ying-yang sign
Definition
pseudoaneurysm
Term
This image would show an echogenic substance inside the IVC
Definition
thrombus
Term
1)What are the 4 indications for an AO exam?
Definition
abdominal pain, pulsatile abdominal mass, abdominal bruit, hemodynamic compromise in the lower limbs
Term
2)What is the narrowing of a vessel called?
Definition
stenosis
Term
3) What is an atheroma?
Definition
abnormal mass of lipids
Term
4)Describe the sonographic appearance of the AO?
Definition
anechoic with echogenic walls
Term
5)What is the maximum measurement for the AO that is considered normal?
Definition
3 cm
Term
6) Arteriosclerosis is a vascular wall disorder characterized by what?
Definition
lipid or plaque deposits in the intima
Term
7) T/F? Atheromatous disease increases with age.
Definition
True
Term
8) T/F? Gender has no bearing on the prevalence of arteriosclerosis.
Definition
False
Term
9) All of the following are associated with atheromatous disease EXCEPT:
smoking, hypothyroidism, hypertension, diabetes mellitus, hemodynamic compromise in lower limbs
Definition
hypothyroidism
Term
10) An aneurysm is noted when the AO measures greater than ________.
Definition
3 cm
Term
11) Aneurysms usually occur at what location on the AO?
Definition
infrarenal
Term
12) If the cause is known, what is the most common cause of an AAA?
Definition
arteriosclerosis
Term
13) What are 5 causes of a AAA?
Definition
MASIC- Marfan's, arteriosclerosis, Syphilis,idiopathic, cystic medial necrosis
Term
14) What two symptoms may a rupture of the AO cause?
Definition
back pain and a drop in hematocrit
Term
15)What makes up most of the wall of a AAA?
Definition
mural thrombus
Term
16) True aneurysms are lined by what?
Definition
all three layers of the wall
Term
What is the most common form of aneurysm?
Definition
fusiform
Term
17) What is the most common site for an AO rupture?
Definition
lateral wall beneath renal vessels
Term
18) There is increased risk of rupture when the diameter measures more than_______.
Definition
5 cm
Term
What is the mortality rate for a rupture?
Definition
50%
Term
On this image, AO dissection is pictured with an arrow pointing to what?
Definition
intimal flap fluttering in the lumen of the AO
Term
What type of AO dissection is limited only to the ascending AO and is assoc. w/ Marfan's?
Definition
Type II
Term
What type of dissection begins at the Ao root and extends the entire length of the thoracic AO?
Definition
Type I
Term
What type of dissection begins at the subclavian artery and includes the rest of the AO distally?
Definition
Type III
Term
What is the preferred placement of an IVC filter?
Definition
iliac
Term
What is an abnormal connection between an artery and a vein usually due to trauma?
Definition
AV fistula
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