Blood sugar fasting
Your blood sugar level at your post should always be below 100 mg/dL, but not below 80 mg/dL, says Dr. Slinkin. Blood sugar testing measures blood glucose. No matter what is eaten, from a small snack to a large meal, blood glucose levels rise in response to any carbohydrates that are digested. Check your blood sugar levels at your post, Mr. Denis suggests.
In a healthy person, the pancreas responds to higher blood glucose by releasing insulin, a hormone that converts blood sugar into useful energy. In addition to carbohydrates, other processes in the body also raise blood sugar levels. When a person goes hungry, which is medically determined as not eating or drinking anything but water for at least eight hours, the release of glucagon is triggered in the body. Glucagon instructs the liver to metabolize reserve stocks of glycogen, which then circulate into the bloodstream as sugar. Accordingly, the amount of glucose in plasma is increased. This is how the body creates energy even at the post.
In sum, when diabetes mellitus is not present, the body responds to all blood sugars by producing insulin in proportion to glucose levels. When it comes to blood sugar at fasting, insulin reduces and stabilizes the level so that it stays in the normal, healthy range. However, when any form of diabetes mellitus is present, or pre-diabetes mellitus type 1 or type 2, the whole physiological process does not work properly and blood sugar is often much higher than normal. The On-the-Earth Blood Sugar Test (FBS) is usually used to detect diabetes.
In order to prepare for an on-the-fly test, you should abstain from eating and drinking for eight to twelve hours before the test, depending on your doctor's instructions. This is done in the same way as any laboratory blood test FBS. A medical practitioner will wrap an elastic band over the shoulder to restrict the blood flow, which dilates the veins and facilitates the needle insertion. After disinfecting the area with alcohol, the needle is injected into the vein and the blood is taken into a bottle, which is then sent for laboratory testing.
Normal results for fasting blood FBS glucose range from 70 - 100 mg/dL. According to criteria established by the American Diabetes Association, a higher than normal blood sugar level on an empty stomach in the range of 100 to 125 mg/dL (5.6 to 6.9 mmol/l) may indicate diabetes. This ndicates an increased risk of developing type 2 diabetes.
When measured above 126 mg/dL (7 mmol/l), the diagnosis of diabetes is likely. A lower than normal result may indicate hypoglycemia caused by a specific type of tumor in the pancreas, and further diagnostic tests are needed.
In addition to eating or drinking for eight hours before an on an empty stomach blood sugar test, other factors may affect the result, says Slinkin. Sickness, alcohol consumption or excess caffeine the day before, smoking and emotional stress can all affect blood sugar levels. Therefore, a blood sugar test should be performed twice, over two separate days, to ensure that the results are consistent.
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