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Procedure Prep - CTA

Is there any preparation on my part prior to my appointment?

If your previous imaging was not done at one of our locations, you may be asked to contact your former provider and request that your film be sent to us for a comparison study.


How should I prepare for my exam?

Nothing to eat 3 hours before your exam. Clear liquids are encouraged up to the time of your exam.

Please let us know if you have any of the following medical conditions:

  • Allergies
  • Asthma
  • Kidney problems
  • Diabetes
  • Pregnancy – known or possible
  • Previous reactions to iodinated contrast (IVP or CT dye)
  • Recent chemotherapy (within 30 days)


Please arrive 15 minutes early to complete registration.

Please let us know if you have an insulin pump or glucose monitor. Our imaging machines may cause your device to malfunction, so it will need to be removed during your exam.


How long will my exam take?

A CTA exam takes about 30-45 minutes, to accommodate IV placement and patient education.


What happens during my exam?

Your exam will require contrast material to be injected through an IV, which will be placed in your arm before the scan starts. You will be positioned on a cushioned table that will move slowly through the CT scanner. The scanner will make slight buzzing, clicking and whirling sounds as it captures the images. To ensure the best quality images, you will be asked to remain as still as possible during the exam.


What happens after my exam?

Your images will be interpreted by one of our board certified radiologists. The findings will be sent to your healthcare provider.

Due to the contrast material, you will be observed for a short period of time. You may resume regular activities immediately after your exam.