PET/CT Exam Patient Preparation Instructions

  • Please be on time. Your dose is calibrated exactly for your time of arrival and becomes
    unusable if you are late or miss your appointment.
  • DO NOT EAT OR DRINK, EXCEPT WATER, 8 HOURS prior to appointment (Drink at least 3
    extra 8 oz. of water 6-8 hours before)
  • Wear warm comfortable clothes: Sweats, socks, long sleeve shirt. You may be asked to change
    into a gown, as well as to remove any clothing items with metal zippers, metal buttons or metal
    underwire.
  • If you are pregnant, or if there is a chance you are pregnant, please inform our technologist
    before your exam.
  • Limit exercise/exertion 24 hrs. prior to exam
  • No gum chewing 24 hrs. prior to exam
  • You may take any medications as normal. Pain and anti-anxiety medications are permitted.
  • PET/CT exams take almost 2 hours from the time you arrive at the center until you are finished.
    Approximate time on the scanner is 30 min.

Diabetic Patient Preparations

  • It is very important that diabetic patients manage their glucose (sugar) intake prior to the exam.
    If your glucose is not at the right level, the exam may need to be cancelled, or the results may
    not be optimal. (Note: If blood sugar level is above 175, we cannot scan).
  • If you are taking oral medication, you can take your medication, but please HAVE NOTHING TO
    EAT AFTER MIDNIGHT.
  • If you are controlled with insulin, please follow your regular diet (meals) and insulin schedule
    prescribed by physician. NO REGULAR INSULIN should be given within 2 hours of the PET
    Scan.
  • You may drink water but no other liquids, drink at least 3 extra 8 oz. of water 6-8 hours before
  • Limit exercise/exertion 24 hrs. prior to exam
  • No gum chewing 24 hrs. prior to exam
  • You may take any medications as normal. Pain and anti-anxiety medications are permitted

Click Here for Printable Patient Instructions