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The Queen's Medical Center

Computed Tomography (CT)

QMC
Imaging services
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The Queen’s Medical Center

1301 Punchbowl Street
Honolulu, Hawaii 96813

Scheduling Phone:
808-691-7171

Pre-Registration:
808-691-4960

Fax: 
808-691-7007

» Locations » Hospitals & Locations » Queen's Medical Center » Services » Imaging Services » Computed Tomography (CT)

CT (Computed Tomography) Scans

Queen’s Imaging offers low dose computed tomography, also called a CT or CAT scan, a diagnostic imaging procedure that uses a combination of x-rays and computer technology to produce cross-sectional images, often called slices, of organs and body parts such as the lungs, liver, kidneys, pancreas, pelvis, extremities, brain, spine and blood vessels.

CT scans offer more detailed images of the human anatomy than traditional x-rays. This allows Queen’s imaging specialists to catch diseases and abnormalities at their beginning stages, allowing for earlier intervention and treatment.

Preparing for Your Procedure

  • Transportation: No special preparations are required for this test.
  • Food and Drink: Your doctor will tell you if fasting prior to your exam is necessary. If so, you may be asked to abstain from food for 4 to 6 hours before your appointment. You may have clear liquids (black coffee, tea, broth, clear soup or juice) in moderate amounts. If you are not instructed to abstain from food, eat normally.
  • Medications: Please consult with your physician if you should hold any of your medications before taking this test.
  • Clothing: You may be asked to remove metal objects such as jewelry and change into a hospital gown.
  • Check-in Time: Please arrive 30 minutes prior to your scheduled appointment. You will be asked to fill out a brief questionnaire about your medical history, medications, allergies and insurance. A CT technologist will explain the test and answer any questions.

What to Expect During the Procedure

The length of your test will vary depending on what the doctor has ordered, however, please expect the procedure, to between 10 to 45 minutes. Once you are released, you may go about your normal activities without restriction.

Depending on the type of procedure being done, a contrast agent, administered orally or through an IV injection, may be used to give a clearer image of the scan. The contrast may cause a temporary warm sensation or metallic taste in your mouth.

Your results will be read by a radiologist and the report will be sent to your doctor. Your doctor will contact you with the results and answer any questions you may have.

If you have further questions about your CT scan, please ask our staff or call 808-691-4556. We will be happy to explain the procedure clearly and make your visit to the CT suite as comfortable and speedy as possible.

Pre-Registration Required

Please call 808-691-4960 to pre-register for your appointment. The registrar will provide information on billing and insurance coverage for the procedure.

Patient Restrictions for CT Scans

Some conditions may limit the use of the CT scan. Let the CT technologist know if you have any of the following conditions:

  • Allergies
  • Congestive heart failure
  • Diabetes
  • Hypertension (high blood pressure)
  • Kidney disease
  • Pregnancy
  • Weigh more than 450 lbs.

Radiation Exposure from CT Scans and Other Imaging Procedures

Read our brochure to learn more about exposure to ionizing radiation from imaging tests compared to naturally occurring background radiation.

Read Brochure

Outside Resources

Find updated information about this modality from the Radiological Society of North America.

Learn More
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The Queen’s Health System
1301 Punchbowl Street
Honolulu, Hawaii 96813

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