CT or Computed Tomography

What is a CT Scan?
A CT or "CAT" scan stands for Computerized (Axial) Tomography. It is a sophisticated type of X-ray that produces images using a computer to show cross-sectional images of the body at different planes. A computer reconstructs these “slices” to produce the actual pictures of your inner structures. Considering that some slices are as thin as 0.5 mm, a CT scan offers much more image detail than a traditional X-ray — which means your physician gets the best information to make the most accurate diagnosis.

What to Expect?

You will be expected to lie on a table and hold very still. Because each CT procedure varies, you may also be expected to drink oral contrast and/or be injected with an intravenous contrast. The procedure normally takes 10-30 minutes depending on the specific procedure. Please consult your physician or our staff if you have any questions regarding what to expect during your procedure.

Precautions

Please tell us:

• If you have any kidney issues (i.e. transplant, removal, kidney failure, etc…)
• If you are allergic to iodine or other materials
• If you are pregnant
• If you are claustrophobic and feel that you might be unable to lie still for long periods of time
• If you are a diabetic on Glucophage, Blyburide, Metformin, or Blucovance
• Nursing

PREPARATIONS:

CAT Scan of Abdomen/Pelvis
-No solid foods after 10:00 pm.
-Liquids and medications can be taken as usual.
-Mix half a bottle of the Omnipaque with 16oz of any liquid* and drink after 10pm. Then mix the other half with 16oz of any liquid* and drink starting 2 hours prior to your appointment time.

(* any liquid besides milk)

Diabetic patients, if you take Metformin (glucophage) and are scheduled for a CAT scan of the abdomen, tell the receptionist. This medication should be stopped two days before and for two days after the CAT scan. Your clinician might order a blood test to check your kidney status, so talk with your clinician before resuming the Metformin.

CAT Scan of Neck, Chest, Liver, or Kidneys
     No solid foods 4 hours prior to your exam.
     Liquids and medications can be taken.

CAT Scan of Sinus, Head, or Extremity
      No preparation is necessary.