Patient Instructions
At OCSRI, your health and well-being are at the heart of everything we do. In this section, you will find comprehensive instructions for a variety of tests and procedures that you may undergo during your care with us. Our dedicated team is committed to providing you with exceptional care, and we encourage you to reach out with any questions or concerns as you explore these resources.
Important For All Patients
Tell staff if you use a Neulasta on-body injector or wear a Freestyle Libre glucose monitor
Some exams involve waiting; you may bring reading material or earbuds
PET Scan - Non-Diabetic
- Nothing to eat for 8 hours before appointment
- Water or black coffee only
- No gum, candy, mints, cough drops, soda, creamer, or artificial sweeteners
- No tube feedings or IV nutrition for 8 hours prior
- Take medications as usual except stop Lasix and steroids 10-12 hours before
- No strenuous exercise for 24 hours before
- Please be prepared for IV or port access
- You may brush your teeth
PET Scan - Diabetic
- High-protein meal and diabetes medications 6 hours before appointment
- Nothing else to eat or drink after that
- Water or black coffee only
- No tube feedings or IV nutrition for 8 hours prior
- Stop Lasix and steroids 10-12 hours before
- No strenuous exercise for 24 hours before
Blood sugar check (Eyes-to-Thigh or Whole-body PET): If over 180 call 918-505-3201 ext. 4107 or 4108
PET appointment time: 1.5-2 hours
Other PET Exams
- PET Brain: follow PET instructions above
- PET PSMA (Prostate): no preparation needed
- PET Dotatate: no preparation needed
Bone Scan
- Drink plenty of water
- Food, beverages, and medications are OK
- Appointment time approximately 3 hours
- IV or port access may be needed
- May leave after injection and return in 2 hours
MUGA Scan
- Food, non caffeinated drinks and medications are OK
- Appointment time approximately 1 hour
- Do not schedule with a bone scan
- No caffeine for 4 hours before (including decaf)
MRI
- No food or medication restrictions unless noted
- Wear comfortable clothing without metal; leave jewelry at home
- Bring implant information if applicable
- MRI safety questionnaire required
- IV or port access may be needed if contrast is used
- Lab work may be required
MRI Abdomen: Clear liquids only for 4 hours before. If using Eovist, NPO 4 hours.
MRI Rectum: Nothing to eat 8 hours prior. Take laxative night before scan.
MRCP: Nothing to eat or drink for 8 hours before.
CT Scan
- Clear liquids only for 4 hours before (no carbonated drinks)
- Drink 20 ounces of water just before arrival
- CT without contrast or lung screening; no restrictions
- Lab work may be required
Ultrasound
- Abdominal/Liver/Gall bladder/Aorta nothing to eat or drink for 4 hours
- All other ultrasound: no preparation needed
Book an Appointment
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Choose the option below to book an appointment. Existing patients can access the secure portal, and new patients can call our team to get started.
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