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Medical ultrasound (also known as diagnostic sonography or ultrasonography) is a diagnostic imaging technique based on the application of ultrasound. It is used to see internal body structures such as tendons, muscles, joints,blood vessels and internal organs. Its aim is often to find a source of a disease or to exclude any pathology.
Carotid ultrasound is a test that shows the carotid arteries (vessels in the neck that provide blood flow to the brain), as well as how much blood flows and how fast it travels through them. Ultrasound waves â the same ones used in imaging the fetus in a pregnant woman â are used to make an image of the arteries.