During duplex assessment of a carotid artery stent, velocities at the distal end of the stent reach 350 cm/s. Turbulence is noted distal to this area. What do these findings suggest?
A. > 30% in-stent stenosis
B. >80% in-stent stenosis
C. >50% in-stent stenosis
D. normal finding in the stent
Preview next quiz:
How is flow maintained to the ECA when a stent has been deployed from the CCA through the ICA?
A. flow is occluded to the ECA
B. retrograde flow from the superficial temporal artery
C. through a bypass implanted with a stent
D. flow through the stent interstices
Disclaimer:
Medical Quiz should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational and educational purposes only.