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What do the values

Edit date:2025-01-16

(1) 2.8, 3.9
Everyone is probably familiar with hypoglycemia, but not necessarily clear about the diagnostic criteria for it. It should be emphasized that the diagnostic criteria for hypoglycemia are different for non-diabetic people and diabetic patients. For non-diabetic people, the diagnostic criterion for hypoglycemia is a blood glucose level < 2.8 mmol/L; while for diabetic patients, as long as the blood glucose level < 3.9 mmol/L, it can be diagnosed as hypoglycemia.

 

(2) 4.4
Diabetic patients need to control their blood glucose levels, but it's not that the stricter the control, the better. The "Guidelines for the Prevention and Treatment of Type 2 Diabetes in China (2017)" recommends that the fasting blood glucose control target for the general population is 4.4 - 7.0 mmol/L, and it should not be lower than the lower limit of 4.4 mmol/L. Otherwise, the risk of hypoglycemia may increase.
Expert reminder: 4.4 mmol/L is the warning line for hypoglycemia, and blood glucose control should not be lower than this value.

 

(4) 7.0, 11.1
Fasting blood glucose ≥ 7.0 mmol/L and blood glucose 2 hours after a meal ≥ 11.1 mmol/L are the two cut-off points for diagnosing diabetes. If a patient has the typical symptoms of "polydipsia, polyphagia, polyuria, and weight loss", only one blood glucose value meeting the standard is needed to confirm the diagnosis of diabetes; if the patient does not have these symptoms, two blood glucose measurement results reaching the above standards are required to confirm the diagnosis of diabetes.
Expert reminder: When diagnosing diabetes, symptoms can only be used as a reference. The key is to see whether the blood glucose meets the standards.

 

(6) Blood glucose ≥ 13.9 mmol/L
13.9 mmol/L is one of the diagnostic criteria for diabetic ketoacidosis (DKA). Clinically, if a patient's fasting blood glucose value ≥ 13.9 mmol/L, it indicates that the patient has a significant deficiency of insulin in the body, fat begins to break down, and a small amount of ketone bodies are generated, which requires vigilance. If it continues to progress, it may lead to diabetic ketoacidosis (DKA).
In addition, the value of 13.9 mmol/L is often used as the blood glucose cut-off point for switching from saline to glucose solution when treating ketoacidosis.
Expert reminder: If the fasting (or random) blood glucose exceeds 13.9 mmol/L, high vigilance should be maintained for ketoacidosis, and the patient should go to the hospital in time.

 

(8) 33.3 mmol/L
When a patient's blood glucose ≥ 33.3 mmol/L, it often exceeds the detection range of the blood glucose meter. At this time, the blood glucose meter displays "HI". Such extremely high blood glucose indicates that the body's cells are in a hypertonic dehydration state. At this time, the patient often has dehydration, hypotension, and changes in mental state, and may fall into a coma at any time or even endanger life. The patient must be rushed to the hospital for treatment immediately.
Expert reminder: Once it is found that the blood glucose meter displays "HI", first check whether the blood glucose meter is malfunctioning. If the instrument malfunction is excluded, the patient should go to the hospital immediately.