How is carotid artery stenosis classified?ĭuring the diagnosis process, your healthcare provider will look to see if you have the condition, how large it is, and where it’s located. Magnetic resonance angiography (MRA): Similarly to a CT scan but without using X-rays, this test provides detailed images of your arteries.Also in this test, your provider injects contrast material directly into your arteries so that they can see the artery details. Cerebral angiography: This type of diagnostic test involves using a catheter in a minimally invasive procedure to go into your arteries and get a close look at the blockage.This test may be used on people with pacemakers or stents from other conditions. During this test, dye is injected into your bloodstream that will help show any blockages on the images. Computed tomography angiography (CTA): Using a CT scanner - a device that uses X-rays to create a detailed image of your internal organs - your provider can take a detailed view of your carotid arteries.An ultrasound is used to see how blood is flowing through your arteries and find any places where the arteries may be blocked or narrowed. An ultrasound is a painless test that is done on top of your skin. Ultrasound: Also called a duplex ultrasound, this type of test uses sound waves to create an image of your body’s internal structures. There are several tests providers use to confirm a diagnosis of carotid artery stenosis and learn more about the size and location of the blockage. This condition can also be diagnosed after your provider hears an abnormal sound - called a bruit (whistling sound) or murmur - during an exam of your neck with a stethoscope. The symptoms prompt your healthcare provider to thoroughly check for any type of blockage, which can lead to a discovery of carotid artery stenosis. How is carotid artery stenosis diagnosed?Ĭarotid artery stenosis is often diagnosed after you’ve experienced symptoms of a stroke. If you have carotid artery stenosis that hasn’t caused a stroke, you may not notice any symptoms.
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