CT Scan

A CT scan (computerized tomography) is a diagnostic imaging procedure. It involves using a combination of computer software and X-rays to produce images of the body in detail.


CT scans have largely replaced plain X-rays for the imaging of certain structures due to the fact that they provide much more detail. Indications for a CT scan study may include the following:


The patient will lie still on a table which is part of the CT scanner. While the table moves, many X-Rays are taken rapidly in sequence. Depending on the study indications, Oral and/or IV contrast may be given. During the scan, the patient may be instructed to hold their breath for a few seconds, if possible. The entire process takes only a few minutes.

Patients should follow all appropriate instructions prior to this study.

  • Patient instructions for CT scan of abdomen/pelvis with oral contrast
  • Patient instructions for CT scan with contrast
  • Patient instructions for CT scan without contrast

Side Effects

Please let us know if you are allergic to iodine or contrast agents, are taking medicines for the management of diabetes, or have renal insufficiency. Some patients who experience a reaction will have nausea, vomiting, or hot flashes. These reactions are usually treated successfully with antihistamines.

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