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DEXA Scan Inteferences
The following will cause problems with accurate DEXA scans. Please be aware of the following in scheduling a DEXA diagnostic procedure in conjunction with other tests.
Nuclear Medicine
- Thallium - Patient should wait at least 90 days after injection prior to scan. (Ex. Thallium GXT's, Dual Isotope Stress Tests)
- Gallium - Same as Thallium injection (Ex. Gallium scans)
- Indium III - Patient should wait at least 60 days after injection prior to scan. (Ex. Cisternograms, Oncoscints)
- Tc 99 m - Patient should wait at least 48 hours after injection prior to scan. (Ex. Bone scans, Hida scans)
- Tc 99 m - (Cardiolite) Patient should wait at least one week after injection prior to scan. (Ex. Cardiac stress tests, parathyroid scans)
- I 131 MIBG - Patient should wait at least 30 days after injection prior to scan. (Ex. Adrenal gland studies)
Barium - Patient should wait at least two weeks prior to scan after barium study. (Ex. UGI's, small bowel series, etc.)
Contrast Media - Patient should wait at least 24 hours prior to scan after injection of any contrast materials. (Ex. IVP's, arteriograms, CT IV Contrast Studies, etc.)
Gastrografin - Patient should wait at least two weeks prior to scan after gastrografin study. (Ex. Abdominal CT's, special intestinal studies)
Magnevist - Patient should wait at least 24 hours after injection prior to scan. (Ex. Brain and spinal cord MRI's)
IMPORTANT: Please do not take any calcium supplements the day of your scheduled Bone Density Measurement as this may interfere with your results.
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