DEXA Body Composition in San Antonio TX

A DEXA (Dual-Energy X-ray Absorptiometry) scan is a medical imaging test that measures bone density, body fat, and lean muscle mass. It uses low-dose X-rays to provide detailed information about your body composition.

The DEXA machine sends two low-dose X-ray beams through your body. The different absorption rates of these beams by bone, fat, and lean tissue allow the machine to calculate your body composition accurately.

Yes, a DEXA scan is safe. The amount of radiation exposure is minimal, less than a day's worth of natural background radiation.

• Wear comfortable and loose clothing without metal or zippers. For example, tight-fitting clothes such as yoga pants, spandex, underwire, sports bras, and any metal may interfere with your DEXA scan. We provide gowns for patients to change into if needed.
• Avoid taking calcium supplements 24 hours before the scan.
• Stay hydrated and avoid eating for at least two hours before the scan.

A DEXA scan typically takes about 10 minutes to complete.

We ask that you fast for at least 2 hours before the scan. However, it is recommended to avoid calcium supplements for 24 hours before the scan.

It is recommended to wait at least 2-3 months between scans to allow your body to respond to health and fitness efforts.

No, it is not advisable to get a DEXA scan if you are pregnant or think you might be pregnant due to the radiation exposure.

You will lie on a scanning bed while a licensed technologist guides you through the process. The scan itself takes about 10 minutes or less to complete.

After the scan, we will provide you a copy of your results to review with your own doctor, or, if you choose, our doctor can discuss your results with you.