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DEXA (Dual Energy X-ray Absorptiometry) is a test for measuring bone mineral density. The scan is a reliable test to determine early stages of bone loss associated with osteoporosis, a disease in which bone density decreases, making bones brittle and prone to fractures. The DEXA scan results are reproducible, allowing measurements to be taken over time showing progression of disease or improvement in bone density due to treatment. An alternative bone density exam to DEXA is QCT, click here for more information.
Exam preparation
- A CDI representative will call you prior to your appointment to provide specific instructions, and review health and insurance information.
- Do not take anything that contains Calcium or Milk of Magnesia the day before or the day of the exam.
- Notify a member of CDI’s staff if you are nursing or if there is a chance you could be pregnant.
- Please arrive 15 minutes early to verify your registration.
- There is a 300 lb weight limit for DEXA exams.
During the exam – what to expect
- DEXA is safe and painless, and requires no injections, invasive procedures, or sedation.
- During the exam, you lie fully clothed on a padded table while the system scans one or more areas of bone (usually the lower spine or hip).
- While DEXA uses x-rays, the radiation dose is less than during a chest x-ray.
After the exam – what to expect
- A musculoskeletal radiologist who specializes in bones and muscles will review your images.
- The radiologist prepares a diagnostic report to share with your doctor.
- Your doctor will consider this information in context of your overall care, and talk with you about the results.
If you have additional questions about your appointment or our services, check out our Frequently Asked Questions or contact your local CDI center.
ADDITIONAL RESOURCES:
National Osteoporosis Foundation (NOF)
tel 202.223.2226
www.nof.org
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 | DEXA |
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