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02/23/10 01:02 AM

"I had a 5 hour GTT to check for Hypoglycemia.My fasting glucose was-101,30 min.-210,Hour 1-247,2 -149,3-70,4-94,5-147.Is this normal for Hypoglycemia?"
Asked By: haven27  
Category: Prediabetes

Background Info Hide
I am a 31 year old male.I have been presenting with many varied symptoms indicative of many diagnosis,but after many years of testing most have been ruled out.The 5 hour GTT was done because my blood glucose in the past month had dropped into the 30,s several times if I went for a few hours without my usual cola that I have come accustomed to for dry mouth,but during the entire month my glucose never went over 137.Once I started fasting for the test my glucose levels were going up and down even before the test.I did not have room to write all this in question area,but I don't see my Dr. for 6 weeks and I don't know what to make of my glucose readings.Is it normal for glucose levels to spike like that for Hypoglycemia or could this indicate something else.Once I started fasting I could tell my body did not know how to react because of my physical symptoms of severe headache,clumsiness,confusion,sweating,anxiety,vision disturbances,etc..Any advice would be helpful.

Expert Answers (1)

03/04/10 10:28 AM

Hello Haven27; Thank you for asking dLife: hypoglycemia, (defined as <70mg/dl with symptoms, as you describe), normoglycemia, (70-110 mg/dl), or hyperglycemia, (meeting the criteria for diagnosis of diabetes or impaired insulin functions). We can not diagnose, the 3 hour glucose tolerance test is seen as the recommended method of diabetes diagnose, the fasting blood glucose test (FBG) preferred. p> The natural history of Ty 2 diabetes directly reflects the relationship between 3 abnormalities:
  • insulin resistance, (insulin is a hormone, secreted from the beta cells in the pancreas, is responsible for opening the body's cells receptor sites to allow circulating glucose to enter those respective cells);
  • insulin deficiency, (this hormone may have a slightly aberrant behavior-hence your ups and downs); and eventually an increased in the liver glucose production. The OGTT, can identify impaired fasting glucose (IFG) and impaired glucose tolerance (IGT). Pre-diabetes defined as FBG 100-125 mg/dl, or IGT and a 2 hour post glucose challenge of >140-199 mg/dl diagnostic of pre-diabetes. The OGTT is not recommended to diagnose diabetes, yet will help identify impaired glucose (IGT). Symptoms of diabetes (frequent urination, dry mouth, and possibly unexplained weight loss), plus a casual plasma glucose greater than or equal to (>) 200 mg/dl: any time of the day without regard to time of last meal). In the early stages of “prediabetes” there is insulin resistance. The beta cells produce more insulin to keep the blood glucose levels normal for a period of time, the liver glucose production fails to shut down, particularly after meals when insulin production is insufficient to cover the food eaten and the yo-yo.

    Treatment involves meal planning, physical activity and may involve meds. I would suggest a sit-down with a CDE RD for review of the labs and orchestrate an individualized meal treatment plan, monitor, do you have an A1c? Regards Sue

    • Answered By: Susan Throop
    Accreditations: RD, CDE, MA
    Sources Show

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