If a stenosis measures or appears less than 50% by image/caliber but velocity acceleration with post stenotic turbulence occurs, the lesion is considered greater than:

Which of the following are a duplex indication of a totally occluded internal carotid artery?

Where does the Doppler  waveform contour describes as “string sign” usually occur?

Blood always moves from an area of __________ to an area of __________. 

A contralateral ICA occlusion may cause the ipsilateral ICA velocities to be;

Using this image and spectral Doppler, this would most likely be;deformed car stent(1).jpg

The most common medical treatment of acute ischemic stroke is;

It is important to evaluate postprocedure carotid stenting within the first month.

If a patient has critical or severe stenosis of the brachiocephalic artery reversal of flow would most likely be seen in the left vertebral artery.

Carotid endarterectomy and stenting usually use an angiogram before the procedure is performed to evaluate the extent of carotid artery disease.