DEXA is an X-ray that measures bone density.
To measure bone loss that can lead to osteoporosis, radiologists use an X-ray technique called dual energy X-ray absorptiometry (DEXA or DXA). This bone scan is commonly used to measure bone mineral density.
DEXA technicians in Minnesota must meet certain requirements to perform these tests. The state Department of Health and the Minnesota Board of Medical Practice oversee medical practitioners, including DEXA technicians, so that the public can be assured of health workers' competency and skills.
Training Requirements for Technicians
Medical technicians must be specially trained to use bone densitometry equipment.
DEXA technicians must be qualified X-ray operators and undergo at least 16 hours of bone densitometry training. The training includes learning how bone density is determined, learning use the equipment and the different kinds of DEXA systems properly, and understanding the basics of osteoporosis and how it affects the patient. Technicians must pass a nationally recognized examination or be certified in bone densitometry, and must undergo additional training any time there is a change in equipment or software that affects radiation output.
Training in Minnesota
Classes are available for those who want to become X-ray technicians.
Educational programs are available to those who want to become X-ray technicians in Minnesota. The website of the the Minnesota Department of Health lists training programs (see Resources). The department does not endorse any particular program.
Additional Information
Bone scanning tests such as DEXA can assess a person's risk for bone fractures.
Osteoporosis affects mostly women after menopause, but men are also susceptible. The bones become thin and brittle because of a gradual loss of calcium. The DEXA test can also evaluate a person's risk of bone fractures, which is affected by body weight, age, lifestyle and family history. The test, which is painless, is most often performed on the lower half of the body and is generally done on an outpatient basis.
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