Fasting Blood Sugar Levels | 合法醫療器材資訊網

Fastingtestresults·Normal:3.9to5.4mmols/l(70to99mg/dl)·PrediabetesorImpairedGlucoseTolerance:5.5to6.9mmol/l(100to125mg/dl)·Diagnosisof ...

Fasting, as the name suggests, means refraining from eating of drinking any liquids other than water for eight hours. It is used as a test for diabetes.

v After fasting, a carbohydrate metabolism test is conducted which measures blood glucose levels.

When fasting the hormone glucagon is stimulated and this increases plasma glucose levels in the body.

If a patient doesn’t have diabetes, their body will produce insulin to rebalance the increased glucose levels.

However people with diabetes either don’t produce enough insulin to rebalance their blood sugar (typically in type 1 diabetes[1] ) or their body is not able to use the insulin effectively enough (typical of type 2 diabetes).

Consequently when blood glucose levels[2] are tested, people with diabetes will have blood sugar levels significantly higher than peo...