How to Preparing for Imaging Tests

Upper GI Series, Small Bowel Series or Barium Enema

  • For an upper GI or small bowel series, please refrain from eating or drinking anything, including ingesting medications, after midnight the day before the examination.
  • For a barium enema, you will be asked to start a clear liquid diet beginning with breakfast the day before the examination. 

Computed Tomography (CT/CAT Scanning)

  • You may be asked not to eat or drink for three hours prior to your exam.
  • Please inform your physician if you have an allergy to intravenous dye, which may be used during this exam.
  • Patients with medical conditions such as heart disease, asthma, kidney disease, diabetes or thyroid problems should consult their doctor for special instructions for this exam. 

Magnetic Resonance (MRI/MRA)

  • Most patients require no special preparation or diet modifications. 


  • For certain scans, you may be asked not to eat or drink for up to six hours prior to your appointment.
  • For pelvic sonography, you may be asked to drink up to four glasses of water one-half hour before your exam. x-Ray.
  • Most patients require no special preparation or diet modifications.
  • Women should inform their physician or x-ray technologist if there is a possibility they are pregnant.

Breast Imaging

  • If you have had prior mammographies, please bring these films with you to your appointment
  • Kindly wear loose clothing, preferably separate tops and bottoms. Do not use deodorant, powder or perfume under your arms.
  • Make sure you have breakfast or lunch before you report to your mammography.