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To check your carotid arteries, your doctor will listen to them with a stethoscope. He or she will listen for a whooshing sound called a bruit. This sound may indicate changed or reduced blood flow due to plaque buildup. To find out more, your doctor may recommend tests.

Diagnostic TestsThe following tests are common for diagnosing carotid artery disease. If you have symptoms of a mini-stroke or stroke, your doctor may use other tests as well. Carotid UltrasoundCarotid ultrasound (also called sonography) is the most common test for diagnosing carotid artery disease. It's a painless, harmless test that uses sound waves to create pictures of the insides of your carotid arteries. This test can show whether plaque has narrowed your carotid arteries and how narrow they are.

A standard carotid ultrasound shows the structure of your carotid arteries. A Doppler carotid ultrasound shows how blood moves through your carotid arteries.

Carotid AngiographyCarotid angiography (an-jee-OG-ra-fee) is a special type of x ray. This test may be used if the ultrasound results are unclear or don't give your doctor enough information.

For this test, your doctor will inject a substance (called contrast dye) into a vein, most often in your leg. The dye travels to your carotid arteries and highlights them on x-ray pictures.

Magnetic Resonance AngiographyMagnetic resonance angiography (MRA) uses a large magnet and radio waves to take pictures of your carotid arteries. Your doctor can see these pictures on a computer screen.

For this test, your doctor may give you contrast dye to highlight your carotid arteries on the pictures.

Computed Tomography AngiographyComputed tomography (to-MOG-rah-fee) angiography, or CT angiography, takes x-raypictures of the body from many angles. A computer combines the pictures into two- and three-dimensional images.

For this test, your doctor may give you contrast dye to highlight your carotid arteries on the pictures.

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13y ago
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15y ago

Arteriogram is used to visualize for carotid artery blockage.

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Q: How do you test for carotid artery blockage?
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What is carotid artery occlusion blockage?

Carotid artery occlusion blockage means that there is complete blockage of the artery. This is very serious, as complete blockage of the artery can cause a stroke.


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