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Preparation for PET/CT Exam
Before you have a PET/CT scan it is important to make sure you follow the following
points:
- Avoid strenuous activities on the day before and the day of your PET/CT
scan as excessive muscular activity may interfere with the interpretation
of the results of the scan.
- Do not eat for six hours prior to their PET/CT scan examination. You can
drink water, but not anything else
- If you are a diabetic and take insulin to control your diabetes mention
this before the PET/CT scan, as you will probably be scheduled for an early
afternoon appointment
- You must remove all jewelry, hair pins, and clips prior to your exam
- Clothes must be free of metal zippers, snaps, etc
- Please be prepared to stay for approximately 3 hours
- Your blood sugar level will be tested prior to the injection of the radiopharmaceutical.
If your blood sugar level is elevated, your scan will be rescheduled.
- Before the injection of the tracer drug you will have an angiocath placed
into a vein in your arm for ease of injection
- A small volume (normally 370MBq) of a radio pharmaceutical (normally FDG)
is injected through the IV line in your vein
- After the injection, you must wait for approximately 45 minutes before the
scanning can begin.
- Before the PET/CT scan you will allowed to relax in one a quiet room. It
is important that you relax and rest during this time to allow the radio pharmaceutical
to properly distribute throughout your body.
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