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    What Is Duplex Ultrasound? 

    Male outline showing major blood vessels, brain, heart, lungs, and kidneys.

    Ultrasound is a test that uses sound waves to create detailed pictures of the inside of your body. Duplex ultrasound is a type of ultrasound that makes two kinds of images. First, it creates pictures of your blood vessels. Then, it makes graphs that show the speed and the direction of blood flow through the vessels. These images are viewed on a computer screen. No radiation or contrast fluid (dye) is used during the test. Ultrasound tests are safe to use during all stages of pregnancy.

    What is duplex ultrasound used for?

    Duplex ultrasound can help your healthcare provider find problems with blood vessels. These problems may include:

    • Carotid occlusive disease. These blocked or narrowed carotid arteries can lead to stroke. 

    • Peripheral artery disease (PAD). These blocked or narrowed arteries in the arm or leg can cause pain. 

    • Aneurysm. This is a ballooning out of a blood vessel wall.

    • Dissection. This is a tear in the layers of a blood vessel wall.

    • Deep vein thrombosis (DVT). This blood clot is in the deep veins of the arms or legs.

    • Varicose veins.  These swollen, twisted veins can be seen under the skin’s surface.

    • Abnormal blood flow. This is an abnormal increase or decrease of blood flow to an area of your body. 

    Duplex ultrasound can also help your healthcare provider:

    • Decide whether further testing is needed

    • Determine the best treatment plan for you

    • Get more information about your blood vessels before surgery is done

    Online Medical Reviewer: Anne Fetterman RN BSN
    Online Medical Reviewer: Deepak Sudheendra MD
    Online Medical Reviewer: Raymond Kent Turley BSN MSN RN
    Date Last Reviewed: 9/1/2022
    © 2000-2024 The StayWell Company, LLC. All rights reserved. This information is not intended as a substitute for professional medical care. Always follow your healthcare professional's instructions.
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    Southern New Mexico
    Surgery Center

    2301 Indian Wells Rd. Suite B
    Alamogordo, NM 88310
    www.snmsc.org

    Phone: 575.437.0890
    Fax: 575.437.0905
    Email: info@snmsc.org

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