Do you have an upcoming bone density scan? If so, you may be nervous or unsure of what it will be like. Here’s what you should know about this procedure.

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What Is a Bone Density Scan?

Bone density scans are an indirect indicator many doctors use to help determine if you have osteoporosis. Also called bone mineral density testing, the procedure measures how much bone material there is per square centimeter in your bones.

Osteoporosis is a disease that makes your bones more fragile and prone to fractures. Bone density scans use X-ray technology to measure the amount of calcium and bone minerals packed into a small segment of your bone. The test is usually conducted on the spine, hip or forearm. If you have a high bone mineral content, your bones are denser and less likely to break. However, low bone mineral content means your bones are at risk of fracturing and could indicate osteoporosis.

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What to Expect During a Bone Density Scan

medical questionnaireBone density scans are quick and painless procedures that usually take about 10 to 30 minutes to complete. The exam is generally conducted on the bones that are more prone to breakage because of osteoporosis, such as your spine, femur or the bones in your forearm.

When you come for your bone density scan, one of our team members at Health Images will position you on a padded table so the bone being scanned is accessible. The test is conducted using a dual-energy X-ray absorptiometry (DXA, DEXA) machine. It slowly passes over you, sending a low dose X-ray through your bone. The image generates on a computer monitor.

When the scan is in progress, you’ll be asked to hold as still as possible and may need to hold your breath. This ensures your image does not become blurred. Radiation exposure during the procedure is minimal and less than what’s emitted by a chest X-ray.

Uses Of A Bone Density Scans

bone density scanBefore the use of bone density scans, the only way to tell if you had osteoporosis would be if you broke a bone. By this point, however, your bones would already be in a bad state, weakened by the disease. Older women are the most common demographic for this condition. However, anyone can develop osteoporosis no matter their age or sex.

Your doctor may recommend a bone density scan if you present with some of the following risk factors:

  • Reduced height of at least an inch and a half
  • Fragile bones that are more prone to fractures
  • If you take certain medications that interfere with your bone’s rebuilding process, such as steroids
  • Transplant patients who are taking anti-rejection medication
  • Sex hormone levels that have dropped
Bone density scans have several uses, including:
  • Checking to see if your bone density has decreased
  • Determining if you are at high risk of fracturing your bones
  • Confirming an osteoporosis diagnosis
  • Monitoring the progression of osteoporosis
  • Reviewing the effectiveness of osteoporosis treatments


With a physician referral, we can perform a BodyLogicTM DEXA Body Composition scan which provides detailed body measurements to accurately assess the state of a patient or athlete’s health and define successful treatment plans and training programs. The scan looks at bone density, fat mass, and lean mass.

medical chart

Study generated results available immediately—to be discussed in detail with your referring physician.


Provides detailed measurements of the body by looking at bone density, fat mass and lean mass.


Easy-to-read reports use color mapping to identify fat, lean muscle mass and bone.


Ability to quickly assess and explain the state of patient’s health.


Evaluate a patient’s body changes over time, enabling patients and clinicians to access and adjust treatment programs.

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