main points

Question 1

carotid artery stenosis of 50-79% would have a PSV of ____ and a EDV or ___

Answer 1

>125 <140

Question 2

a carotid artery stenosis of 79-99% would have a PSV of? and EDV of?

Answer 2

>125, >140

Question 3

when assessing the degree of vasospasm what is considered normal?

Answer 3

<120

Question 4

when assessing the degree of vasospasm what is considered severe?

Answer 4

>=200

Question 5

subclavian steal is more frequent on the ____ side rather than the ____..there is often a lower brachial blood pressure ipsilateral to the steal. the abnormal brachial blood pressure would be >= ___-___mmHg lower than the contralateral side

Answer 5

left, right 15-20

Question 6

what is the diameter reduction equation?

Answer 6

1-(d/D) x100

Question 7

Q=

Answer 7

Q=P/R flow = pressure/ resistance

Question 8

with RAR of ___ is equal to 60% stenisis or PSV of?

Answer 8

>=3.5, 180-200

Question 9

for renal artery stenosis, finding a peak systolic velocity of ___-____ along with post stenotic turbulence is consideres to be abnormal and suggestive of a >=60% diameter reuction

Answer 9

>=180-200cm/sec ( found in the renal artery)

Question 10

when evaluating upper arm to forarm and difference of ___-____ is abnormal

Answer 10

>=15-20mmHg

Question 11

what is a normal finger brachial index?

Answer 11

.8-.9

Question 12

when peforming a toe brachial index the toes should be ____-___% compaired to the highest brachial pressure

Answer 12

60-80%

Question 13

the most important element in the serial assessment of bypass grafts is the comparison of the current study to the previous study. a segmental decrease of ____ cm/sec PSV is abnormal

Answer 13

30 cm/sec

Question 14

the most important element in the serial assessment of bypass grafts is the comparison of the current study to the previous study. a change in quality of phascitity from ___ to ____ is considered abnormal

Answer 14

triphasic to biphasic or biphasic to monophasic of from triphasic to monophasic

Question 15

the most important element in the serial assessment of bypass grafts is the comparison of the current study to the previous study. a decrease in ABI of ____ is considered abnormal

Answer 15

>.15

Question 16

Whats normal RI? abnormal?

Answer 16

<.7, >=.7

Question 17

normal PRR? abnormal PRR?

Answer 17

>=.2, <.2

Question 18

SMA with a 275 cm/sec = ____% stenosis

Answer 18

70%

Question 19

what is a normal PPG refill time?

Answer 19

>20 seconds

Question 20

in general an acceleration time of ____ msec in the common femoral artery suggests the presence of significant iliac disease

Answer 20

>=133

Question 21

with toe pressure what number would it be if it were to fail to heal?

Answer 21

<30

Question 22

veins must measure what to be used in a bypass graft

Answer 22

2-3

Question 23

reactive hypermia what represents a single level disease?

Answer 23

2-6 minutes after exercise to be normal

Question 24

reactive hyperemia what represents a multilevel disease?

Answer 24

6-12 minutes

Question 25

normal penile pressure? abnormal?

Answer 25

\>.75 ,

Question 26

what is poiseilles simple equation?

Answer 26

Q=P/R pressure / resistance

Question 27

with 4 cuff what is the thigh pressure compared to the brachial

Answer 27

20-30 above

Question 28

if the vertebral artery is below baseline what would you expect is happening?

Answer 28

subclavian steal

Question 29

occlusion of the Rt ICA may result in a neurological defect to which part of the brain?

Answer 29

Rt anterior circulation

Question 30

during contraction on the calf muscle what prevents flow from going back into the superficial system

Answer 30

flow maintains its unidirectional flow because of the closed valves in there perforators

Question 31

T/F flow from the posterior arch vein flows into the GSV?

Answer 31

True

Question 32

Budd chiari syndrome results from what?

Answer 32

hepatic vein occulsion

Question 33

how are velocity and pressure related?

Answer 33

inversely

Question 34

which endoleaks are most easily flung w ultrasound and usually repaired when found?

Answer 34

type I and III

Question 35

T/F percutaneous transluminal angioplasty is used to dilate focal plaque formation in a vessel

Answer 35

true

Question 36

for insitu bypass grafts it is important to observe the presence of patent branches that have not be ligated as they could form what?

Answer 36

AVF

Question 37

with any graft what is the biggest concern ?

Answer 37

leaks causing peudoaneuryms as well as stenosis

Question 38

what is the most frequent term used to describe a stent?

Answer 38

scaffold

Question 39

celiac artery stenosis improves with what?

Answer 39

deep inspiration and returns with expiration

Question 40

compared to a normal artery an artery PROXIMAL to the fistula has greatly increased flow especially during what?

Answer 40

diastole because the fistula markedly reduces resistance

Question 41

the plethysmographic waveform known as peaked pulses a characteristic of what condition?

Answer 41

raynauds

Question 42

why is a patient most likely referred to the vascular lab for radial arty mapping?

Answer 42

to determin viability of use for coronary bypass