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Doctor insights on: Fasting Blood Sugar 100

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Fasting blood sugar test =100 ( in the lab not finger stick) and the hp1ac = 5.3 , and by the fingerstick =92 , is this normal or should I be worried?

Fasting blood sugar test =100 ( in the lab not finger stick) and the hp1ac = 5.3 , and by the fingerstick =92 , is this normal or should I be worried?

OK: A1c is good and normal. Fasting sugar is mildly high at 100. Taking everything together, i think you are doing fine. It's never too late or a bad thing to be mindful of what you eat and how much exercise you are getting...If i had the labs above, i wouldn't worry too much. ...Read more

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Blood Sugar (Definition)

The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. Glucose is the primary source of energy for the body's cells, and blood lipids (in the form of fats and oils) are primarily ...Read more


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After losing 30 kg through diet my fasting blood sugar went down from 100-110 to 75-80 (no medications). How did weight loss make that happen?

After losing 30 kg through diet my fasting blood sugar went down from 100-110 to 75-80 (no medications). How did weight loss make that happen?

Insulin sensitivity: As you lose weight your body becomes more sensitive to insulin. As you gain weight, your body becomes more resistant to Insulin and has to make more of it- to absorb the sugar in your diet. With weight loss, you now have a normal blood sugar as a result of increased sensitivity to your circulating Insulin level. ...Read more

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My fasting blood sugar is always between 100-115. Gotten as low as 52 after a meal. Vitamin d deficient with fatigue and NCS. Good or bad?

My fasting blood sugar is always between 100-115. Gotten as low as 52 after a meal. Vitamin d deficient with fatigue and NCS. Good or bad?

IFG: Hi. You have impaired fasting glucose (IFG) but mount a brisk insulin response to a caloric load. You're early in the type 2 diabetes process, probably in the "prediabetes" stage (you ARE prediabetic by IFG). Healthy diet & exercise should be your lifelong lifestyle. There are medicines that help prevent progression to type 2 diabetes as well. Talk with your doc. Good luck! ...Read more

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64 with fasting blood sugars of 90-100 despite diet and exercise. How much additional risk of small vessel changes compared to BS of 70-80? Thanks.

64 with fasting blood sugars of 90-100 despite diet and exercise. How much additional risk of small vessel changes compared to BS of 70-80? Thanks.

Aim for HgbA1C : 64 year old male has fasting blood sugar 90-100 (which is normal) asks how much risk of small vessel changes compared to BS 70-80. High BS affects both large & small blood vessels; Large BV with Hardening leading to Heart disease and Stroke; and Small BV with Thickening/narrowing & clogging; decreasing blood flow to arteries in eyes/ kidneys/ Legs& more. Keeping HgbA1c ...Read more

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What's the prognosis for frail geriatric esrd patient with 3-weekly hd, uncontrollable BP (> 180/100) and dm (fasting blood sugar >350)?

What's the prognosis for frail geriatric esrd patient with 3-weekly hd, uncontrollable BP  (> 180/100) and dm (fasting blood sugar >350)?

Prognosis: You probably don't need a doctor to tell you these parameters are not suggestive of a favorable prognosis ... Dialysis patients are very challenging and a team effort needs to be made to change coarse good luck. ...Read more

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What are the differences between fasting blood sugar and fasting plasma sugar?

What are the differences between fasting blood sugar and fasting plasma sugar?

Minor difference: There is about a 15% difference between whole blood glucose and plasma glucose, with the plasma glucose being higher. If you use a fingerstick glucose monitor, it is measuring whole blood glucose, whereas when you have blood drawn and sent to the lab, it is measuring plasma glucose. Some fingerstick meters will correct for the difference by adding 15% automatically. ...Read more

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My fasting blood sugar changed within one month.In January it showed 79 and in February it was 90. Normal?Does it flactuate, if so what r the reasons?

My fasting blood sugar changed within one month.In January it showed 79 and in February it was 90. Normal?Does it flactuate, if so what r the reasons?

Both normal: Both of the readings are in the normal range. There are a number of factors that may explain the 11 mg difference, e.g. the second specimen was analyzed more quickly after collection, your fasting state was not equivalent for the two tests, there is an accepted 6 mg variation between two tests done on the same sample. If the two tests were done in different labs, that would add to the variability. ...Read more

Dr. Melissa Haglund
132 doctors shared insights

Fasting Blood Sugar (Definition)

Fasting blood sugar is blood level of blood glucose after fasting(not eating) for 8 to 10 hours.Normal range ...Read more