Ultrasound imaging, also called ultrasound scanning or
sonography, involves exposing part of the body to high-
frequency sound waves to produce pictures of the inside
of the body. Ultrasound exams do not use ionizing
radiation (as used in x-rays). Because ultrasound images
are captured in real-time, they can show the structure and
movement of the body’s internal organs, as well as blood
flowing through blood vessels.
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