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Instructions for Persons With Diabetes

Who Monitor Blood Sugar at Home

On the evening before your operation:
If you take Insulin Glargine (Lantus) or Ultralente before bed, take 2/3 of your usual dose.

Upon awakening the morning of your operation:
Check your blood sugar. Choose the next step based on your blood sugar result.

If your blood sugar is 70 mg/dl or less and you are being treated with diabetes medications that can cause LOW BLOOD SUGAR:

  • Do not take any of your usual insulin or oral diabetes medications. If you use the insulin pump, adjust your basal insulin dose (if appropriate) using your home algorithm.
  • Do not treat with candy or solid food! Treat the low blood sugar by taking one of the following:
    • 2/3 cup cranberry juice
    • 15 grams of instant glucose gel
    • 1 cup of apple juice
    • 1 glass of water with 6 teaspoons of sugar
    • 1 cup of regular soft drink
  • Call the hospital:
    • 734-712-3860 before 6 a.m.
    • 734-712-3974 after 6 a.m.

You will be told what to do about your insulin (if you take insulin at home) and when to come to the hospital.

If your blood sugar is 71 to 199 mg/dl:

  • Do not take any oral diabetes medications.
  • Do not take any Regular, Lispro (Humalog) or Aspart (Novolog) insulin by syringe.
  • If taking insulin by syringe, give:
    • One-half (1/2) of your usual morning dose of NPH, Lente or Premixed (70/ 30, 50/50 or 75/25) insulin
    • 2/3 of your usual dose of Glargine (Lantus) or Ultralente insulin.
    When: At the time the usual morning dose of insulin is due.
  • If taking insulin by insulin pump:
    • Do not give meal bolus doses of insulin.
    • Continue infusing basal insulin. Adjust the basal insulin dose if basal rates are likely to cause the blood sugar to rise or fall when you are stressed or not eating.

Instructions for Persons with Diabetes Who DO NOT Monitor Blood Sugar at Home

On the evening before your operation:
If you take Insulin Glargine (Lantus) or Ultralente before bed, take 2/3 of your usual dose.

Upon awakening the morning of your operation:

  • Do not take any oral diabetes medications.
  • Do not take any of your usual Regular insulin, Lispro (Humalog), or Aspart (Norolog)

If you have signs / symptoms of LOW BLOOD SUGAR upon awakening AND you are being treated with diabetes medications that can cause low blood sugar:

  • Do not take any insulin (if you take insulin).
  • Do not treat with candy or solid food! Treat the low blood sugar by taking one of the following:
    • 2/3 cup cranberry juice
    • 15 grams of instant glucose gel
    • 1 cup of apple juice
    • 1 glass of water with 6 teaspoons of sugar
    • 1 cup of regular soft drink
  • Call the hospital:
    • 734-712-3860 before 6 a.m.
    • 734-712-3974 after 6 a.m.

You will be instructed what to do about your insulin (if you take insulin at home) and when to come to the hospital.

If you DO NOT have signs/symptoms of LOW or HIGH BLOOD SUGAR upon awakening:

If you have signs/symptoms of HIGH BLOOD SUGAR upon awakening:

You will be instructed when to come to the hospital.

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St. Joseph Mercy Ann Arbor | 5301 McAuley Drive, Ypsilanti, MI 48197 | 734-712-3456