• If you are pregnant or breastfeeding.
• Any allergy to CT contrast or Iodine.
• If you are diabetic and/or taking the tablet Metformin.
• If you are diabetic and/or taking the tablet Metformin.

On the day of your test

Please plan to arrive 15 minutes before your scheduled appointment.

• If a contrast will be used you should fast for four hours immediately before your scan; however, continue taking your medicines as usual.
• If you are instructed to drink a special solution (“oral contrast”) to prepare for your scan, you will receive the 1 liter solution and instructions from the technologist. This will be done over 30 minutes.
• You might be asked to change into a hospital gown. You also might be asked to remove your watch or any jewelry, please do not bring valuables.
• Allow one hour for your CT scan. Most scans take from 15 to 60 minutes.

During the test

• The technologist will help you lie in the correct position on the examining table. The table will then automatically move into place for imaging. It is very important that you lie as still as possible during the entire procedure, as movement will blur the images. You might be asked to hold your breath briefly at intervals when the X-ray images are taken.
• Depending on the type of scan you need, a contrast material might be injected intravenously (into your bloodstream). You may feel a light warm sensation in your body for several seconds and have a metallic taste in your mouth once you receive the dye. These symptoms are normal and should self-resolve after a few seconds.