Elizabeth Diagnostic Imaging Trinitas Diagnostic Imaging
What Is A CAT Scan?

Computerized Axial Tomography, also known as CAT or CT scans, images your body in slices showing the structures in that area. A computer is used to provide clear, sharp images.

CT is used to detect and define the characterization of various disease processes of the body. Our protocols are set to ensure that the best diagnostic images are produced with minimum radiation exposure to the patient.

How Does CT Work?
As CT x-rays pass through areas of your body from different directions they are measured by special detectors that convert them into electrical signals. A computer converts the signals into images through a mathematical procedure called “image reconstruction” and the images are rebuilt. These images are viewed on monitors or printed on a sheet of film.

What To Expect

  • You may be asked to change into a medical gown.
  • Certain procedures may require that you drink barium 6-8 hours before the examination.
  • You will be asked to lie on a padded table and hold still.
  • You may be given breathing instructions, if necessary.
  • Always feel free to ask questions.
  • If contrast (dye) is to used in your exam, you will be told why it is necessary use and the possible effects it may have on you. Contrast is generally used to better visualize different structures in your body. There may be a possibility of a reaction to the contrast -a test dose is given to check for a reaction prior to the dose required for the exam.
  • Preventative measures are taken to guard against reactions and complications.

Preparation For Your CT Examination

  • Depending on your CT examination, you may be asked to drink only clear liquids and abstain from solid foods the night before the examination.
  • You may need to have a lab test done prior to the day of your exam.
  • Please inform the technologist if:
    • You may be pregnant
    • If you’ve ever had a reaction to a contrast agent
    • If you are allergic to food or medications

After Your Examination

  • You may resume regular and normal activity unless you were sedated, in which you will be given special instructions.
  • The images from your exam will be interpreted by a Board Certified Radiologist experienced in MRI and CT.
  • Examination reports will be faxed to your doctor within 48 hours of your examination.


  • Medical insurance policies vary and some require ‘pre-authorization’; you should confirm your coverage before your appointment.
  • Bring your insurance identification to assist in the proper filing and billing of your examination.
  • Please arrive at least fifteen minutes prior to your appointment to fill out a form with your medical history.
  • Please inform the technologist if you have an appointment following your examination and if your doctor wants you to bring the films with you.


CAT Scan Hours of Operation
9am - 5pm
9am - 5pm
9am - 5pm
9am - 5pm
9am - 5pm
-- Closed --

Abdomen Questionnaire
Cervical Spine Questionnaire
Extremity Questionnaire
Head / Brain / IAC Questionnaire
Knee Questionnaire
Lumbar Spine Questionnaire
Neck and Chest Questionnaire
Pelvis Questionnaire - Female
Pelvis Questionnaire - Male
Thoracic Spine Questionnaire

Contrast Assessment
Tests We Perform
What is an MRI?
What is a CT Scan (CAT Scans)?
What is an X-Ray?
What are Mammograms?
What is Bone/Mineral Density Testing?
What is an Ultrasound Test?
Diagnostic Imaging of Elizabeth | 415 Morris Avenue | Elizabeth, NJ 07208 | Phone: 908-351-7600 | Fax: 908-351-4406
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