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USIDMS Extracranial Carotid

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
Created by: taylormrobbins1