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What are Computed tomography (CT scan) or computerized axial tomography (CAT Scans)?:
CT or CAT scans are special computer-processed x-ray tests that take cross-sectional images of your body, using x-rays and a computer.
How CT scans work:
Technicians use special X-ray equipment to take images of your body from a series of angles. Computers are then used to compile these into cross-sectional (tomographic) images of your vessels, bones, and soft tissues. These cross-sectional images, called slices, show far more detail than an ordinary X-ray.
When are CT scans used:
CT scans can be used in many ways, including:
Possible complications from contrast mediums used in CT scans:
For certain CT scans, you may be given a liquid called a contrast medium beforehand, since it can help highlight the areas of your body that the scan is examining. Its side effects can vary by the delivery method:
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