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  1. Ultrasound: What It Is, Purpose, Procedure & Results

    Apr 12, 2022 · Ultrasound (also called sonography or ultrasonography) is a noninvasive imaging test. An ultrasound picture is called a sonogram. Ultrasound uses high-frequency sound waves to create real …

  2. Ultrasound - Wikipedia

    Medical ultrasound is an ultrasound-based diagnostic medical imaging technique used to visualize muscles, tendons, and many internal organs to capture their size, structure and any pathological …

  3. Ultrasound - Mayo Clinic

    May 3, 2024 · An ultrasound uses sound waves to create an image. This ultrasound shows a noncancerous liver tumor.

  4. Ultrasound: Purpose, Procedure, and Preparation - Healthline

    Dec 12, 2019 · What is an ultrasound? An ultrasound scan is a medical test that uses high-frequency sound waves to capture live images from the inside of your body. It’s also known as sonography.

  5. Ultrasound - National Institute of Biomedical Imaging and …

    Medical ultrasound falls into two distinct categories: diagnostic and therapeutic. Diagnostic ultrasound is a non-invasive diagnostic technique used to image inside the body.

  6. Types and Uses of Ultrasounds - Verywell Health

    Dec 19, 2025 · An ultrasound uses sound waves to create images of organs and tissues inside the body. Ultrasounds can be used to monitor pregnancy and check the fetus's health and development.

  7. Ultrasound (Sonography) - RadiologyInfo.org

    Ultrasound imaging uses sound waves to produce pictures of the inside of the body. It helps diagnose the causes of pain, swelling and infection in the body's internal organs and to examine an unborn …

  8. Ultrasound (introduction) | Radiology Reference Article

    Dec 29, 2025 · Ultrasound is used in a wide variety of clinical settings to depict pathology and features and has several advantages but also disadvantages compared to other imaging modalities.

  9. Ultrasound | Uses, Benefits & Risks | Britannica

    Dec 19, 2025 · Ultrasound, in medicine, the use of high-frequency sound (ultrasonic) waves to produce images of structures within the human body. Ultrasonic waves are sound waves that are above the …

  10. Ultrasound - Special Subjects - Merck Manual Consumer Version

    Ultrasound is a type of medical imaging that uses high-frequency sound (ultrasound) waves to produce images of internal organs and other tissues. During an ultrasound, a device called a transducer …