Anterior cerebral artery (left and right)
Anterior communicating artery
Internal carotid artery (left and right)
Name the arteries of the Circle of Willis. Posterior cerebral artery (left and right)
Posterior communicating artery (left and right)
The basilar artery and middle cerebral arteries, supplying the brain, are also
considered part of the circle
Name the branches of the ICA proximal to Ophthalmic artery, Supraorbital, frontal and nasal arteries
distal.
What will a Doppler waveform abnormality An absent flow recersal component, blunting of the peak velocity and prolonged
in the lower extremity arterial circulation upslope and downslope.
distal to a hemodynamically significant
stenosis show?
A normal arterial volume waveform may Reverse flow component because it is part of a Doppler waveform not volume
have all EXCEPT: Swift upstroke, sharp waveform.
peak, rapid downslope bowed toward
baseline, dicrotic notch or reverse flow
component?
A normal PORH (postocclusive reactive >100%.
hyperemia) response is a major velocity
increase of what percent increase in mean
velocity?
What are falsely elevated less frequently Toe pressures.
than tibial ankle pressures?
The volume flow rate in a reversed The same throughout the graft even though the velocities may differ.
saphenous vein bypass graft should be?
With both arterial obstructive disease and Vasodilation opens to attempt to increase nutrive blood flow to the extremity and
distal ischemia, what happens to vessel size distal resistance decreases.
and distal resistance?
1/7
, When you have a damped Doppler Proximal to the point of insonation.
velocity waveform of the subclavian artery,
where would the significant lesion be
located?
What waveforms will you likely see from Triphasic CFA and proximal SFA with monophasic at the popliteal and tibial arteries.
CFA to tibial arteries with a superficial
femoral artery occlusion?
a method in which radiographic images of blood vessels filled with contrast material
are digitized and then subtracted from images obtained before administration of the
What is digital subtraction arteriography?
material. The method increases the contrast between the vessels and the
background.
The common radiologic terms "inflow", Aortoiliac, femoropopliteal and trifurcation arteries.
"outflow" and "runoff" refer respectively to
what?
renal/aortic ratio(RAR).Renal Artery Ratio:
Which diagnostic parameter is the best Peak Systolic Velocity renal artery
indicator of renovascular hypertension? ------------------------------------------
Peak Systolic Velocity Aorta
Spontaneous splenorenal shunt is Portal hypertension.
associated with what process?
Syndrome is caused by blood clots that completely or partially block the large veins
Define Budd Chiari syndrome.
that carry blood from the liver (hepatic veins) into the inferior vena cava.
The splanchnic arteries are? and where do Celiac artery, SMA and IMA. They supply blood to the gut.
they supply blood?
When examining a patient with weight loss, SMA though CA and IMA may be involved.(chronic mesenteric ischemia)
postprandial pain, and an abdominal bruit,
what vessel is most likely to be partly
responsible?
Patient presents with an enlarged coronary Portal hypertension.
vein with retrograde flow, what is this a
finding of?
T or F- Noninvasive diagnosis of renal False, It requires a duplex system with spectral analysis.
artery stenosis can ve made by B-mode
images of atherosclerotic plaque.
Proximal renal artery stenosis > than 60% is Systolic renal/aortic velocity ratio(RAR) is >3.5.
diagnosed when?
What will happen to the Doppler signal It will augment.
from the sublcavian vein during inspiration?
What will pulsatile venous Doppler from Portal hypertension.
the portal vein suggest?
T or F-In duplex assessment of the portral False. It is normally phasic with respiration.
vein, flow is normally continuous with
respiration.
How is the sublcalvian vein best checked With a quick deep breath (big sniff).
for coaptation?
2/7
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