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DVT398-AP1
USIDMS Extracranial Carotid
Question | Answer |
---|---|
When do symptoms of a transient ischemic attack resolve? | Within 24 hours |
What is the first branch off of the ECA? | Superior thyroid artery |
What appearance will a waveform have proximal to a severe stenosis? | Increased pulsatility of the waveform or high resistance along with little flow in diastole |
What artery does the right CCA branch off of? | Right brachiocephalic artery/inominate artery |
A carotid endarterectomy may be performed when an artery is at least what percentage stenosed? | 70% |
What percentage of blood flows from the CCA to the ICA? | 80% |
What is the most important Doppler finding when determining an area of stenosis? | Increased velocity in the stenosis zone |
With carotid occlusion, how will this affect the velocities in the contralateral side? | Velocities will increase to compensate for the other side |
What rare none malignant tumors that can be found in the carotid body? | Paragangliomas |
With a subclavian steal, which artery will experience retrograde flow? | The vertebral artery |