A Dexa scan, also known as a bone mineral density (BMD) scan, is a diagnostic tool that measures the density and quality of your bones. It is primarily used to screen for and diagnose osteoporosis, a condition characterized by low bone density and increased bone fragility.
Key Takeaways
- A Dexa scan is also referred to as a bone mineral density (BMD) scan.
- It measures the density and quality of your bones.
- Primarily used for screening and diagnosing osteoporosis.
- Detects low bone density and increased bone fragility.
- The recommended age to receive a Dexa scan is over 50 for both men and women.
- Avoid taking calcium supplements for at least 24 hours before the scan to ensure accurate results.
- Wear loose, comfortable clothing without metal zippers or buttons to avoid interference with the imaging process.
What is a Dexa Scan?
A Dexa scan is a noninvasive procedure that uses low-dose radiation to produce images of your bones. It is performed using a special scanner called a dual-energy X-ray absorptiometry (DEXA) scanner. The scanner emits X-ray beams at two different energy levels, which are absorbed by your bones to different degrees. The differences in absorption are then used to calculate the bone mineral density.
During a Dexa scan, you will lie comfortably on a table that slides into the DEXA scanner. The technician will position your body correctly and position the scanner over specific parts of your body, such as your spine, hips, or forearms. The scan typically takes around 10 to 20 minutes to complete.
During the scan, you will be exposed to a small amount of radiation. However, the dose is minimal and is comparable to the radiation you would receive during a routine X-ray.
What Can a Dexa Scan Tell You?
A Dexa scan provides valuable information about your bones’ health. It helps to assess your bone density, a measure of how strong and healthy your bones are. Low bone density is an indicator of an increased risk for osteoporosis.
A Dexa scan measures the density of your bones at the specific sites scanned. These sites typically include the lumbar spine (lower back), hip, and forearm. The bone density values obtained at these locations are compared to the results of a healthy young adult of the same gender and ethnicity.
In addition to assessing bone density, a Dexa scan can also identify areas of low bone density or bone loss, also known as osteopenia. It can detect early signs of osteoporosis, allowing for timely intervention and prevention.
Who Should Get a Dexa Scan?
Dexa scans are often recommended for those at high risk for osteoporosis. This includes postmenopausal women and men over 65. It is also recommended for individuals who take medications or have other medical conditions that put them at risk for bone loss.
If you are over the age of 50 and have not previously had a Dexa scan, it is recommended to discuss with your doctor whether one is necessary. Women who are post-menopausal and men over 70 should generally undergo regular Dexa scans to track their bone health.
How to Prepare for a Dexa Scan
Before your Dexa scan, you may be asked to avoid certain medications or supplements that could affect the results. These include calcium supplements, antacids, and some herbal supplements. It is also essential to inform your doctor about any medical devices or implants you may have, such as pacemakers, as they may need to be adjusted or removed before the scan.
On the day of the scan, wear comfortable clothing that allows easy access to the area being scanned. You may be asked to remove any jewelry or metallic objects, as these can interfere with the scanning process. During the scan, it is important to remain still and follow the instructions provided by the technician. This is to ensure accurate results and to minimize the discomfort you may experience during the scan. After the scan, you can return to your normal activities. However, it is important to drink plenty of water to help flush out any traces of radiation from your body.
Get Your Dexa Scan Today
A Dexa scan is a valuable diagnostic tool used to assess bone density and evaluate bone health. It can help to detect early signs of osteoporosis and assist in evaluating your risk for bone fractures. By understanding the purpose of a Dexa scan, you can make an informed decision about whether to have one performed and benefit from the valuable information it provides. Don’t wait! Schedule your Dexa scan today with Revitalize Medical Solutions!
