The type of X-ray you are referring to is likely a contrast X-ray or contrast imaging. This technique uses a contrast agent (or contrast medium), which is a chemical introduced into the body, to enhance the visibility of specific areas or structures in the images. Common examples include barium swallow, barium enema, or iodine-based contrast agents used in various types of imaging for assessing conditions in the gastrointestinal tract or blood vessels.
A kind if x-ray which captures different images,
,sometimes uses a chemical introduced into the body to make a better image.
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