X-rays are a type of radiation called electromagnetic waves. The X-Ray machine produces a tiny burst of radiation, at a safe level, that passes through your body and records an image on a computer digitally / specialized plate. X-ray imaging creates pictures of the inside of your body. An X-ray is a quick, painless test. X-ray beams can pass through your body, but they are absorbed in different amounts depending on the density of the material they pass through. Dense materials, such as bone and metal, show up as white on X-rays. The air in your lungs shows up as black. Fat and muscle appear in varying shades of gray. Thus the images show the parts of your body in different shades of black and white as different tissues absorb different amounts of radiation. Digital radiography is a form of X-Ray imaging where digital X-Ray sensors are used instead of traditional photographic film (which requires specialized processing). The Digital X-Ray facility provides immediate processing and the ability to digitally transfer and enhance images. The advantages of this technique is bypassing chemical processing and requiring less radiation. For some types of X-ray tests, a contrast medium — such as iodine or barium — is introduced into your body to provide greater detail on the X-ray images. You may swallow the contrast medium, or receive it as an injection or as an enema.
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