A dual-energy x-ray absorptiometry, or DEXA scan uses low-dose x-rays to test bone density.
Here’s how it works:
Osteoporosis is a disease of the bones. It happens when you lose too much bone, make too little bone or both. As a result, your bones become weak and may break from a minor fall or, in serious cases, even from simple actions, like sneezing or bumping into furniture, and most commonly occur in the hip, spine and wrist.
About 54 million Americans have osteoporosis and low bone mass, placing them at increased risk for osteoporosis. Studies suggest that approximately one in two women and up to one in four men age 50 and older will break a bone due to osteoporosis.
DEXA is the gold standard for determining bone density and osteoporosis to determine your risk for fractures and whether you should begin treatment. Experts recommend the following for osteoporosis screening and bone scans for the following people: