What is a bone density test and how is it done?
The test uses X-rays to measure how many grams of calcium and other bone minerals are packed into a segment of bone. The bones that are most commonly tested are in the spine, hip and sometimes the forearm.
What can a bone density test detect?
Bone density testing is a medical procedure used to determine bone density or strength. It can identify osteoporosis or osteopaenia and the risk of future bone fractures.
Does it hurt to get a bone density test?
A bone density test is like an x-ray or scan of your body. The test doesn’t hurt, and you don’t need to do anything to prepare for it. It only takes about 15 minutes.
How long does it take to get the results of a bone density test?
This test lasts about 10 minutes. The image is given to an expert who reads the results. This could take a few days depending on your doctor’s office. Peripheral test: This measures bone density at your wrist, finger, and heel.
Why would a doctor order a bone density test?
A bone-density test is a way to measure the strength of your bones. The test, called a DEXA scan, is a kind of X-ray. Many people get a bone-density test every few years. The main reason to have the test is to find and treat serious bone loss, called osteoporosis, and prevent fractures and disability.
What happens if your bone density is low?
A person may have low bone mass at any age but not develop osteoporosis. However, if a person has low bone mass and continues to lose bone density, this may lead to osteoporosis. A combination of low bone mass and a risk factor for fracture may increase your risk for broken bones, too.
How do I prepare for a bone density test?
You should not take calcium supplements for at least 24 hours before your exam. You should wear loose, comfortable clothing, avoiding garments that have zippers, belts or buttons made of metal. Objects such as keys or wallets that would be in the area being scanned should be removed.
How is a bone density test done on a woman?
The exam is performed by a radiographer who specializes in X-ray. You will lie on your back on a padded table. You may be able to remain fully clothed or change into a patient gown. The machine will move slowly over the areas to be scanned.