PET Sarcoidosis Preparation for Diabetics on Insulin

36 hours before your test

Please write down all consumed products in a food journal and bring this with you to your test

Follow a high-fat, high-protein diet. Make it simple:

  • A piece of protein (e.g., egg, chicken, beef, fish, pork), salt and pepper to taste
  • Leafy-green vegetables only (e.g., lettuce, kale, cabbage, spinach). You may use olive oil as dressing.
  • Water
  • Black coffee or green tea
  • Have boiled eggs on hand to snack on

Foods you CAN eat:

  • Eggs
  • Leafy-green vegetables (i.e., green salad), but only oil as dressing
  • Cooking oils (i.e., olive oil)
  • Water
  • Unsweetened black/green tea or coffee
  • Fatty, unsweetened, fried or broiled meats (use salt and pepper to season)

Foods you CANNOT eat:

  • Market or restaurant-prepared foods
  • Alcohol
  • Sugary foods:
    • Fruit, fruit juices, citrus, etc.
    • Smoothies or blended beverages
    • Desserts: cookies, cake, etc.
    • Candy
  • Seasonings which contain sugar
  • Artificial sweeteners such as: Splenda, Equal, stevia, Sweet‘N Low
  • Sugar-free” products
  • Breaded meats
  • Bacon or sausage
  • Dairy products: milk, cheese, butter, etc.
  • Grain-heavy or starchy foods such as: bread, cereals, tortilla, rice, pasta, etc.
  • Non-leafy-green vegetables: potatoes, cauliflower, carrots, celery, green beans, etc.
  • Beans and legumes

Unpermitted medications include:
Glucose chewable tablets and any medications containing glucose or dextrose. Please advise your doctor you will need to go off these medications to have this test.

Blood sugar monitoring:
Closely monitor blood glucose levels to ensure levels are low upon arrival for the study. The study will not proceed if you arrive with a blood sugar above 150 mg/dl.

12 hours before your test

  • No food
  • Drink plenty of water until the scan is complete
  • Take medications as usual
  • Diabetic medications are permitted up to four hours prior to the study
  • Closely monitor blood glucose levels to ensure levels are low upon arrival for the study. The study will not proceed if you arrive with a blood sugar above 150 mg/dl.

4 hours before your test

  • You may have a 4-egg omelet
  • Green salad with at least 2 teaspoons of olive oil
  • 1 cup of coffee without sugar
  • Diabetic meds should be taken with meal (i.e., insulin)
  • Drink plenty of water until the scan is complete
  • Take medications as usual
  • Closely monitor blood glucose levels to ensure levels are low upon arrival for the study. The study will not proceed if you arrive with a blood sugar above 150 mg/dl.