Computed Tomography Scan

What to Expect

What to Do the Night Before

If a dye or contrast medium is to be used, you will need to fast for four hours before the test. Otherwise, no special preparation is needed. NOTE: If you suspect you might have difficulty lying very still in the scanner for a period of 30 to 60 minutes due to claustrophobia and/or anxiety, you should tell your physician ahead of time. You may be given a sedative by mouth or by IV prior to the test, in which case you will need to make arrangements for someone to take you home following the test.

Diagnostic Tests Before the Procedure

Depending upon the reason for the CT scan, any number of other tests may have been completed prior to your procedure, such as EKG, myocardial perfusion scan, radionuclide angiography, blood work (cardiac isoenzymes, blood count, electrolytes, etc.), chest x-ray, and others.

Scheduling/Registration Information

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Where the Procedure is Done

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Who Performs the Procedure

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Directions to the Hospital

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It is important to arrive at your scheduled time. Your procedure may not begin immediately due to varying lengths of procedures scheduled before your procedure. You will be updated as frequently as possible.

Preparing for the Procedure in the Hospital

• Description of IV, site preparations, and medications that may be administered - If a contrast medication and/or sedative is to be given by an intravenous line (IV), an IV line will be started in your hand or arm. The contrast medium is used to provide increased enhancement of the tissue that is being examined. Sedative medication may be given if you have claustrophobia and/or anxiety and thus may have difficulty staying still during the procedure. The contrast medium and/or sedative may be given by mouth, depending on the circumstances. You will be asked to remove any metal objects such as jewelry, clothing with metal hooks or buttons (you will be given a gown to wear if you need to remove your shirt or blouse), or belt buckles that might interfere with the scan.
  
  
• Consent forms - Your physician will explain the CT procedure, its purpose, any risks, and the expected outcome before the procedure. You should read through the consent carefully before signing it. If you have any questions or need more information, ask your physician.

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