How is a carotid ultrasound done?

Carotid ultrasound is a painless imaging test that uses high-frequency sound waves to create pictures of the inside of your carotid arteries. The transducer is a handheld device that sends and receives sound waves. If combined with Doppler ultrasound, this test also can show how blood is moving through your arteries.

Why have a carotid ultrasound?

A carotid ultrasound is performed to test for narrowed carotid arteries, which increase the risk of stroke. Carotid arteries are usually narrowed by a buildup of plaque — made up of fat, cholesterol, calcium and other substances that circulate in the bloodstream. Coronary artery disease.

How long does it take to do a carotid artery ultrasound?

A carotid duplex scan takes about 15 to 30 minutes and takes place in an ultrasound lab. The following steps take place during this procedure: You'll lie down on the examination table with your head bent slightly backward. An ultrasound technician will apply a gel to your neck.

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