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DVT398-JH1

USIDMS Extracranial Carotid

QuestionAnswer
What is the first branch off of the ECA? Superior thyroid artery
What are 3 indications for a carotid doppler? CVA, TIA, and RIND
What is the formula used to calculate % diameter stenosis? (1-residual lumen) x 100% / normal lumen
What are 3 ways to differentiate ICA from ECA? ICA does not have extracranial branches, it is typically larger than ECA, and is typically more posterior.
True or False, ICA is not affected by light temporal augmentation. True
True or False, ICA is low resistance. True
What artery does the right common carotid artery branch off of? Right brachiocephalic artery (innominate artery)
What does the Doppler waveform term "tardus parvus" describe? Low velocity flow with a color bruit
What is used to dissolve clots in patients experiencing an ischemic stroke? Tissue plasminogen activator
When do TIA symptoms resolve? Within 24 hours
Created by: jmhunt