- Bone loss, wear and tear
- Osteoporosis and impact of medication for osteoporosis
- Evaluate the risk of bone fractures
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All You Need to Know About Bone Density Tests
Bone density or bone mineral density is an indicator of the strength of your bones. A bone density test (BMD) evaluates how strong your bones are. The U.S. Preventive Services Task Force recommends that women aged 65 and above, as well as younger women who are susceptible to fractures, should undergo BMD tests. While there is no data about the relevance of these tests for men, some groups recommend that men aged 70 years and above should undergo a BMD test.
Bone density tests measure the amount of minerals (like calcium) present in your bones. These tests can be used to detect bone-related disorders like osteoporosis.
What is a bone density test?
There are multiple methods of conducting bone density tests. Dual-energy-absorptiometry (DEXA) scan is the most common and precise way of measuring bone mineral density. It employs low-dose X-rays to measure bone density. Central and Peripheral DEXA are two types of DEXA scans. The Central DEXA measures bone density of the lower spine and hip bones while Peripheral DEXA measures the bone density of one's wrists, legs, heels, and finger bones.
24 hours before the test, one should abstain from taking calcium supplements. People must also remove all metal items from their body. The scan is painless and non-invasive. One can get to know the following factors through bone density tests:
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