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FBS

The blood sugar test at the post is also called the blood glucose test at the post. It measures the sugar level after fasting for at least eight hours. Glucose is the main sugar in your bloodstream, and high levels after fasting can indicate diabetes. You can still drink water during your fasting before the test (unless otherwise instructed by your doctor), but you should avoid drinking drinks such as coffee, tea, juice and soda. A health worker will take blood for a vein on your arm, which will be sent to the lab for analysis, says Dr. Slinkin.



Denis Slinkin


After eating, your blood glucose levels usually rise within a few hours as you break down and absorb dietary carbohydrates. In healthy people, the pancreas will produce insulin to move glucose into tissue and out of the bloodstream. In this way, glucose levels will gradually drop after eating and remain low during fasting, explains Mr. Denis.


People with diabetes either don't have enough insulin to lower blood glucose levels (type 1 diabetes mellitus) or their body can't effectively use insulin (type 2 diabetes mellitus). When performing blood glucose test on an empty stomach, diabetics will have much higher blood sugar levels than non-diabetics, which can lead to many health problems in the long term.


An on an empty stomach blood sugar test measures blood glucose levels FBS after fasting for at least 8 hours. High blood glucose levels can indicate diabetes.Why do doctors order it. An on an empty stomach blood glucose test is performed for diabetes mellitus and prediabetes. It also helps doctors control diabetes and determine if medications and dietary changes have an effect on the diet. Blood glucose levels on an empty stomach are the lowest, as the effects of recent meals are minimal.


FBS Denis SlinkinYour blood sugar level FBS on an empty stomach is often checked together with HbA1c (also known as glycated hemoglobin), which is a measure of your blood sugar level over the past three months. The more blood sugar in your blood, the more it will join hemoglobin, increasing your HbA1c level. Taken together, they provide more information than each test individually. For example, even if your blood sugar level is very high at one random point, it may have been mostly low during the last few months (low HbA1c). On the other hand, HBA1c may be higher, but glucose levels are currently lower.


In addition to diabetes, abnormal levels FBS may indicate problems such as insulin resistance, hormonal imbalance, and pancreatic, liver or kidney disease.







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