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What is an x-ray?

X-rays use invisible electromagnetic energy beams to produce images of internal tissues, bones, and organs on film. X-rays are made by using external radiation to produce images of the body, its organs, and other internal structures for diagnostic purposes. X-rays pass through body structures onto specially treated plates (similar to camera film) and a "negative" type picture is made (the more solid a structure is, the whiter it appears on the film).

Continue Learning about X-Ray Imaging

What happens during a chest x-ray?
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A chest x-ray is a radiology exam which takes an x-ray picture of the contents of your chest. It sho...
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What is computed tomographic colonography?
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Computed tomographic (CT) colonography (virtual colonoscopy) is a procedure that uses CT images to p...
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What is a spine x-ray?
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Spine x-rays are pictures of the bones of the spine that are used to diagnose diseases or to view th...
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Who performs the chest x-ray test?
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A chest x-ray is performed by a radiologic technologist, a medical professional who is also sometime...
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.