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Diabetes management for endoscopy

Diabetic patients should be investigated early in the morning, preferably first on
the list where possible.

  1. Patients on insulin:
    • OGD
      • Take insulin as normal the day prior to examination
      • Omit Breakfast and morning insulin on the day of examination
      • Test blood glucose regularly
      • Give 50% of usual morning insulin with a light snack on completion of examination
      • Resume normal insulin regime with next main meal
    • Colonoscopy
      • During bowel prep reduce insulin dosage by 50%
      • Test blood glucose regularly
      • Give 50% of morning dose of insulin with snack immediately after examination
      • Resume usual insulin regime with next main meal and extra snack at bedtime
  2. Patients on oral hypoglycaemic agents:
    • Take medication as normal until the day of examination
    • Omit morning dose of medication
    • Test glucose regularly
    • Restart tablets with first meal

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