ABD VASCULATURE

Question 1

what are the three types of aneurysms?

Answer 1

true
false (pseudo)
dissecting

Question 2

______ is a type of aneurysm where it is commonly located in the cerebrum- small saccular shape.

Answer 2

berry

Question 3

______ is a type of aneurysm that is infected.

Answer 3

mycotic

Question 4

______ results from weakening of the media in severe atherosclerosis

Answer 4

atherosclerotic

Question 5

______ is a spindle shaped dilatation in which the stretching process affects the entire circumference of the artery

Answer 5

fusiform

Question 6

______ is a localized spherical outpouching of the vessel wall.

Answer 6

saccular

Question 7

______ is defined as a focal dilatation with at least 50% increase over normal aortic diameter

Answer 7

aneurysm

Question 8

______ & ______ aneurysms are commonly associated with AO aneurysms

Answer 8

iliac

popliteal

Question 9

The most common cause of false (pseudo) aneurysms is ______

Answer 9

trauma

Question 10

______ aneurysms usually originate at the AO arch in the thorax

Answer 10

dissecting

Question 11

A dissection is a separation between the ______ & ______ of the AO wall.

Answer 11

intima

media

Question 12

if the AO aneurysm is ______, the patient may be a candidate for a endovascular stent graft repair.

Answer 12

infrarental

Question 13

symptoms of chronic mesenteric ischemia usually are not present until ______

Answer 13

2 of the 3 major mesenteric arteries are occluded or stenosed

Question 14

______ presents as recurring postprandial abd pain and weight loss

Answer 14

chronic mesenteric ischemia

Question 15

SMA velocity ______ is a good predictor of 70% stenosis

Answer 15

> 275 cm/s

Question 16

CA velocity of ______ is a good predictor of a 70% stenosis

Answer 16

> 200 cm/s

Question 17

compression of the proximal celiac axis by the median arcuate ligament of the diaphragm

Answer 17

arcuate ligament compression syndrome (celiac axis compression syndrome)

Question 18

with celiac axis compression syndrome, an abd bruit is noted with ______ and disappears with ______.

Answer 18

expiration

inspiration

Question 19

on ______, the median arcuate ligament compresses the ventral aspect of the celiac axis producing an “S” shaped celiac axis and a significant stenosis

Answer 19

expiration

Question 20

on ______, the celiac axis straightens and the stenosis disappears and elevated systolic velocities decrease to normal values (<200 cm/s)

Answer 20

inspiration

Question 21

______ is an abnormal connection between an artery and a vein

Answer 21

arteriovenous shunt or fistula

Question 22

sonographic findings of an AVF include:

Answer 22

color flow bruit (tissue vibration)
pulsatile venous flow
low resistive arterial flow

Question 23

percutaneous renal bx is the most common known cause of acquired ______

Answer 23

AVF

Question 24

an AVF will produce a ______, ______ waveform

Answer 24

high velocity

low resistance