55 years old blood sugar 7.5mmol / L is considered high depends on the measurement time, can not be generalized. Normal people with high fasting blood glucose may have diabetes; 2 hours after a meal or random blood glucose is not considered high; diabetic patients with fasting blood glucose 7.5mmol / L may not be satisfactory control, if 2 hours after a meal or random blood glucose is not considered high.
The normal blood glucose standard is 3.9~6.1mmol/L. If the fasting blood glucose is 7.5mmol/L, which is greater than the diagnostic standard of diabetes mellitus fasting blood glucose 7mmol/L, it is considered that diabetes mellitus is possible. Combined with the symptoms, you need to go to the hospital to further improve the glucose tolerance test and other tests to evaluate whether there is diabetes.
Normal people’s 2-hour postprandial blood glucose <7.8mmol/L, random blood glucose <11.1mmol/L, if the 2-hour postprandial blood glucose or random blood glucose, 7.5mmol/L are in the normal range, it is not considered to be high, and if necessary, need to improve the glucose tolerance test combined with judgment.
Diabetic patients fasting blood glucose control target is generally less than 7mmol / L, 2 hours after meals, blood glucose less than 10mmol / l, according to age, therapeutic purposes, complications will be adjusted, diabetic patients fasting blood glucose 7.5mmol / L may not be ideal control, if 2 hours after meals or random blood glucose is not high.
Commonly used blood glucose monitoring indicators are fasting blood glucose, 2 hours after meal blood glucose, random blood glucose. Blood glucose is one of the important indicators for the diagnosis of diabetes mellitus, if the patient's blood glucose value is abnormal, it is recommended to go to the regular hospital in time.