Vascular Flashcards
How would you describe the arterial wall in this image?
Homogenous plaque with smooth surface characteristics
In this example, the ICA velocities may underestimate the category of stenosis. Why?
Sample was not obtained at maximum stenosis.
Is the flow direction in this right vertebral artery normal?
No
According to this image, what solution would provide a better spectral analysis display?
Increase the Doppler scale
Based on this image, what is needed in order to correct the velocity estimation and make it more accurate?
Decrease the angle
Based on this image, what should be used in order to detect flow in this ICA, if any?
Decrease color scale
According to this image, the Doppler velocity shown is estimated to be taken at:
The point of maximum stenosis
According to the information seen in this image, interpret the percentage of stenosis based on the 2003 SRU Consensus criteria.
>70% to near occlusion
If the vessel in this image were a carotid artery, what color would be shown in the proximal segment?
red
If the vessel in this image was a tortuous ICA, what color would the most distal segment be shown as?
red
This image represents which type of carotid pathology?
Ulceration as a source of emboli
Which vessel is labeled as ‘B’ in the diagram?
Right subclavian artery
Which vessel is labeled as ‘C’ in the diagram?
Right common carotid artery
Which vessel is labeled as ‘D’ in the diagram?
Right external carotid artery
Which vessel is labeled as ‘E’ in the diagram?
Right internal carotid artery
What 2 adjustments are needed in order to see color in this vessel?
rock the transducer to ‘bank’ the vessel and create an angle and steer the box to the right or the left
According to this image, blood in this carotid artery would show up as blue.
false, it would show up as red.
According to this image, blood in this carotid artery would show up as red
true
According to this image, color in the carotid would show up as red
False, it’s not steered correctly, so no color would show up.
What are the arrows pointing to?
Temporal tap oscillations
What is this image showing in regards to the plaque seen in both views
This minor plaque can be made to look more or less stenotic in the longitudinal view.
True or False: The color display seen here in the bulb of the Internal Carotid Artery is indicating disease.
False
The velocity obtained in this doppler display is:
Overestimated
The velocity angle in this image is:
Underestimated
The Doppler waveform seen in this image is most likely the:
ICA
The Doppler waveform seen in this image is most likely the:
ECA
What best describes the vertebral waveform seen here?
a. early systolic deceleration
b. late diastolic deceleration
c. early diastolic acceleration
d. late diastolic acceleration
Early systolic deceleration
As you perform venous imaging on your next patient, you document this finding in the patient’s popliteal fossa. The structure on the left of the image is LEAST likely to represent which of the following: hematoma, cyst, sarcoma, acute deep venous thrombosis or ruptured, Baker’s cyst
acute deep venous thrombosis
What is wrong with this image?
Baseline is set to high
What is wrong with this image?
Inappropriate scale setting
Why does the image look this way?
Due to vessel stenosis
What does this image show in regards to flow?
Retrograde flow
What is the percentage of stenosis seen here?
<50% ICA stenosis
What type of flow is this waveform showing?
Phasic flow
What is wrong with the waveform shown here and how should you correct it?
It is above the baseline. Invert so that it is below baseline.
Does this show normalcy or venous reflux?
Venous reflux
