Oral test load in tolerance to glucose (sugar)

How to check?
How to donate?
On an empty stomach
Where to donate?
The cost
Where do you get?
The sugar level


Test on tolerance to glucosewith the blood sugar load by any other name is a test of tolerance to glucose, or glucose tolerance test. It is a study of changes in the concentration of sugar in the blood after a certain time after administration of saturated solution of sugar. This oral test is administered to confirm or refute the diagnosis of pre-diabetes, or for the detection of latent stage of diabetes. Study on glucose tolerance is also administered to people who have risk factors of diabetes mellitus.

If you are prescribed the analysis with the load of glucose, do I need to specifically prepare? Yes, there are certain rules of preparation for this blood test. First, three days before the test you should eat normally, specifically not excluding the "fast" carbohydrates, such as sweets.

secondly, beginning research is carried out on an empty stomach, so after the evening meal until the morning of the test shall be a period of time not less than 10 hours. Better yet, if it will be 16 hours.

How is the blood sugar load?

the First blood sampling from the finger is carried out on an empty stomach. The patient then drinks a saturated solution of sugar (75 g glucose dissolved in 300 ml of water). Sometimes the solution add the lemon juice to make it more enjoyable to drink.

an hour after drinking a sweet syrup and again - after another hour at surveyed again take blood tests. Between these tests, the patient must not drink and also smoke. You must also try not to be nervous.

How to evaluate the results of that test?

If after 2 hours after exercise the blood sugar less than 7.8 mmol/l, it is the norm. Lower tolerance is diagnosed if the figure is between 7.8 and 11.1 mmol/L.

the pre-Prediabetes is diagnosed if after 2 hours of analysis with a load concentration of glucose in the blood is higher than 11.1 mmol/L. the final diagnosis For confirming diabetes mellitus, conducted repeated studies.

Increased glucose tolerance is the diagnosis the endocrinologist puts when fasting blood sugar levels below normal, and after loading of its level below the normal value.

are There any contraindications for oral test with a sugar load? Yes, there are some. These are: trauma, postoperative period, infection, exacerbation of chronic ailments, cirrhosis of the liver. When taking medications that increase the blood sugar, for example glucocorticoids, thiazide diuretics, beta-blockers, etc.), as it is impossible to conduct such a test.