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A member asked:

Does peak systolic velocity (psv) determines % of carotid blockage?

A doctor has provided 1 answer

Yes: It correlates. As blood travels through a progressively smaller orifice, it must speed up to get through and that measurement is plugged into a formula to yield an orifice size.

Dr Khan agreed

Answered 8/5/2019

4.6k views

Thank

Related Questions

A member asked:

What does intimal thickening of the carotid artery mean when thrre is no blockage?

A doctor has provided 1 answer

A member asked:

Hi Doctors. How do I know if I have a blockage in my carotid artery?

A doctor has provided 1 answer

A member asked:

Carotid doppler showed 50% bilateral blockage, mr angiogram was negative. Which is more accurate?

A doctor has provided 1 answer

A member asked:

Carotid doppler test found a calcified plaque of 3.5mm x 2.5mm in left bulb.All else normal. I am 46yrs male.Very worried.How big is this blockage?

3 doctors weighed in across 2 answers

A member asked:

My mother recently had ultrasound on carotid that showed 60 80% blockage but mra showed minimal why the vastly different results?

A doctor has provided 1 answer

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