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What happens during a dual energy X-ray absorptiometry (DXA or DEXA) scan?

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The scan generally takes 10 to 20 minutes. It’s painless, and the amount of radiation you get from the X-rays the scan uses is low. Unlike some other types of tests, like MRIs or CT scans, you won’t have to lie inside a closed tunnel or ring. Instead, you’ll lie on an open X-ray table and try to stay still as the scanner passes over your body. When the test is over, you’ll be able to go home.

SOURCES:

National Osteoporosis Foundation: "Bone Density Exam/Testing."

NHS: "DEXA (DXA) scan -- How it is performed."

U.S. Preventive Services Task Force: "Final Recommendation Statement: Osteoporosis: Screening."

Reviewed by Tyler Wheeler on November 08, 2018

SOURCES:

National Osteoporosis Foundation: "Bone Density Exam/Testing."

NHS: "DEXA (DXA) scan -- How it is performed."

U.S. Preventive Services Task Force: "Final Recommendation Statement: Osteoporosis: Screening."

Reviewed by Tyler Wheeler on November 08, 2018

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How does a dual energy X-ray absorptiometry (DXA or DEXA) scanner work?

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