Top
10
Doctor insights on: Glucose Tolerance Glucose Fasting 2hr Glucose Post 75 Gm

Share
1

1
Recently bloodwork for fasting insulin. How is this different that a glucose tolerance test or a fasting glucose test?

Recently bloodwork for fasting insulin. How is this different that a glucose tolerance test or a fasting glucose test?

Different tests: Insulin & glucose are 2 different ways to measure diabetes. Insulin is produced by pancreas to keep sugars under control. We measure glucose to see how well sugars are controlled. Think of glucose as speedometer & Insulin as tachometer (hgba1c is avg trip speed - ask a car nut if this doesn't make sense). Glucose tolerance test requires drinking sugar whereas other 2 tests don't. ...Read more

Tolerance (Definition)

When one takes a drug, such as heroin or alcohol, repeatedly, 'tolerance' develops because more of the drug is needed to give the same effect on the body/brain; e.g. Liver enzymes r stimulated to metabolize the drug faster and faster. There may be a strong genetic predisposition to addiction, some studies suggesting that 1 of 10 people will become dependent on alcohol or some ...Read more


3

3
What is y our glucose fasting?

What is y our glucose fasting?

Normal under 100: A fasting glucose is a measurement of the glucose level after having nothing to eat overnight. A normal value is below 100 mg/dl. ...Read more

4

4
What is impaired fasting glucose?

What is impaired fasting glucose?

101-125: Between 101 and 125mg/dl when measured by a lab draw out of a vein after an 8-hour fast. This is not for a finger-stick glucose. (ada criteria) check w/your doctor and begin treatment now. ...Read more

5

5
Is non fasting glucose of 94 good?

Is non fasting glucose of 94 good?

Normal: Any random non fasting glucose of under 200 mg/dl is considered normal. Fasting blood sugars should be less than 126 mg/dl. ...Read more

6

6
What does high glucose fasting mean?

What does high glucose fasting mean?

Many things: It could means many things including: lab error, pre-diabetes, diabetes, not fasting long enough...You need to repeat it and make sure it is not a persistent trend. If it's high again, then it is unlikely to be a lab error and you might need to be tested for diabetes/pre-diabetes. ...Read more

7

7
How could a fasting glucose level increase?

Liver glucose output: The liver manufactures glucose. Many things regulate it, but the reason most people have elevated fasting glucoses is because the liver may become resistant to insulin. Normal Insulin production/sensitivity helps to keep liver glucose output normal. When the liver becomes resistant to the effects of insulin, it will not be able to keep glucose production down to normal. This ?risk for diabetes. ...Read more

8

8
What does a non fasting glucose of 114 mean?

Not much: If you're going to check a glucose, do it fasting or two hours after a meal. Those are the only times that there are standardized normal values. A glucose of 200 or greater at any time is indicative of diabetes. ...Read more

9

9
Is a fasting glucose level of 63 any concern?

Is a fasting glucose level of 63  any concern?

On insulin?: Are you on insulin? If you are not on insulin, then a fasting glucose of 63 could be normal in a younger person that is physically active. If you are on Insulin and are diabetic, it is a little bit too low and your Insulin dose needs adjustment. ...Read more

10

10
Fasting glucose time, is it 10 hrs 12 hrs or 14hrs?

Generally: Anything that is at least 8 hours. True fasting is morning glucose level after no food ingestion from dinner the night before. ...Read more

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


Dr. Cayce Jehaimi
2,570 doctors shared insights

Glucose (Definition)

Glucose is the basic sugar molecule and the source of energy throughout the living kingdom. We are programmed to easily detect it by taste in our foods as it is desirable but can be overdone with the modern diet. It gets out of control ...Read more