What is a Dexa Bone Density Scan?

Diagnostic Imaging / What is a Dexa Bone Density Scan?

Dual energy X-ray absorptiometry, or DEXA is the preferred technique for measuring bone mineral density. 

A patient must lie still on a table for a few minutes to complete a dexa scan.

Patient Preparation Instructions

  • Please do not have a Dexa scan if you have had an Oral Contrast study in the last 48 hours.
  • Please do not take calcium supplements 24 - 48 hrs prior.
  • It is best to wear comfortable clothing, preferably no metal (zipper) at waist and no under-wire bra.

These are preparation guidelines for imaging exams performed at Knox Community Hospital (KCH).  If you have any questions regarding prep for your exam, please contact us at 740.393.9038.

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