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19 Cards in this Set
- Front
- Back
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Can vary from small curves to very sharp angulations and can also be bilateral |
Tortuosity and kinking |
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Tortuosity and kinking can be present in what percentage of patients? |
16% |
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What is the most accurate spot to Doppler a tortuous vessel |
Just before or after curve. Straight area adjacent to curve |
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How do you know that a patient has tortuous and kinking vessels? |
Significant stenosis followed by post stenotic turbulence |
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-FMD - Marfan syndrome - ehler-danlos is associated with... |
Dissection flaps and intimal flaps |
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Disorder of the connective tissue |
Marfan syndrome |
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Dissection flaps, intimal flaps,and false lumen flow pattern variations include...
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-Antegrade flow due to blood continuing through a secondary tear-blood flow into and out of the false lumen in a "to and fro" pattern and will never have normal flow in dissection |
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-primarily seen in young white females - often asymptomatic -cervical bruit Is symptoms and signs of... |
FMD |
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How might FMD be seen in ultrasound? |
Sudden turbulence and high velocities in distal ICA. (String of beads) |
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Images of FMD should include a B-mode image of affected area to demonstrate... |
Diameter changes |
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Low frequency or high frequency transducer when imaging FMD? |
Low frequency transducer |
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When there is a 2 cm structure in the adventitia of the carotid bifurcation it is called... |
Carotid body |
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When imaging a carotid body tumor what kind flow will you see? |
An arterial and venous flow |
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Carotid aneurysm that results from an infection... |
Mycotic aneurysm |
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Carotid aneurysm may cause... |
Hoarseness in the voice and nerve compression |
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Psuedoaneurysms may be caused by... |
Penetrating trauma |
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Psuedoaneurysms may form at... |
Endarterectomy site or at an anastomotic site of carotid bypass graft |
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What is the flow pattern of a psuedoaneurysm to n ultrasound? |
Red and Blue & Yin Yang sign |
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Caused fibrosis due to injury to the vasa vasorum in the medial layer of the vessel |
RIAI radiation induced arterial injury |
