
A computerized tomography scan, also called a CT scan, is a type of imaging that uses X-ray techniques to create detailed images of the body.
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X-rays are a type of radiation called electromagnetic waves. X-ray imaging creates pictures of the inside of your body.
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Diagnostic ultrasounds use sound waves to make pictures of the body. Ultrasound, also called sonography, shows the structures inside the body.
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MRI is a type of diagnostic test that can create detailed images of nearly every structure and organ inside the body.
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It measures blood flow. It’s a test for deep vein thrombosis (DVT). It finds blood clots in veins.
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