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DVT398-TR1
USIDMS Extracranial Carotid
| Question | Answer |
|---|---|
| What kind of waveform does the ICA demonstrate? | Low Resistance |
| What type of waveform is seen distal to severe stenosis? | Tardus Parvus |
| What type of waveform is seen proximal to stenosis? | High Resistance |
| What are the 3 branches off of the aortic arch? | Right brachiocephalic, left common carotid, left subclavian |
| Where does the right common carotid originate? | Right brachiocephalic |
| For which type of stroke is TPA a treatment method? | Ischemic |
| What is flow separation in the bulb (swirling) called? | Eddy Flow |
| What are some ways to determine if a vessel is ICA or ECA? | ICA is usually larger, ICA is usually more posterior, ICA is low resistant, light temporal augmentation doesn't affect ICA, ICA has no extracranial branches. |
| What makes a patient a good candidate for a carotid endarterectomy? | 70% stenosis, unless the patient is having symptoms |
| Post-endarterectomy patients are prone to restenosis due to what disease process? | Neointimal Hyperplasia |