What Is Normal Blood Sugar after Eating?

A 2-hour postprandial blood glucose measurement is another important method for diagnosing and discovering diabetes.

Two hours after meal

Right!

A 2-hour postprandial blood glucose measurement is another important method for diagnosing and discovering diabetes.

Chinese name

Two hours after meal

Types of

Methods for diagnosing and discovering conditions

Diagnosis

diabetes

Starting time

Timing from the first bite

The 2 hour postprandial blood glucose is affected by various factors such as the type of food taken, the speed of gastrointestinal motility, postprandial exercise, and preprandial blood glucose levels.

Two-hour blood glucose refers to the blood sugar level measured two hours after the first meal. Two-hour postprandial blood glucose is a very useful indicator for monitoring blood glucose control, because the two-hour postprandial blood glucose is easy to detect possible postprandial high blood glucose levels. Many patients with type 2 diabetes have low fasting blood glucose but high postprandial blood glucose. If they only check fasting blood glucose, they will often delay their illness. The two-hour postprandial blood glucose value can better reflect whether the diet and medication are suitable. The diet and medication can be adjusted according to the two-hour postprandial blood glucose level, which cannot be replaced by fasting blood glucose. Two hours after meals, blood sugar does not affect normal medication, normal meals, or blood sugar fluctuations.

The 2 hour postprandial blood glucose during the physical examination refers to the time measurement from the first meal and the blood glucose measurement after 2 hours. Measurements during the physical examination should be taken at the same time and dose as usual, insulin injections and meals.

Physical examination of blood glucose 2 hours after a meal reflects an important indicator of islet -cell reserve function, namely the ability of food to stimulate -cells to secrete insulin after eating. If the function is good, the surrounding tissues are sensitive to insulin, and there is no insulin resistance, the blood glucose value should be reduced to 4.6 to 7.8 mmol / L within 2 hours after a meal. However, if the reserve function is good, even some patients with diabetes have higher insulin secretion than normal people, but because the surrounding tissues are resistant to insulin, or although the insulin resistance is not obvious, but the islet -cell function is poor, the blood glucose may be 2 hours after meal Significantly increased.

1) First, it is easy to catch possible postprandial hyperglycemia. Many non-insulin-dependent diabetic patients have low fasting blood glucose and high postprandial blood glucose. Just checking fasting blood glucose often thinks that the blood glucose is well controlled and delays the disease.

2) Two hours of blood glucose after a meal can better reflect whether meals and medications are appropriate, which cannot be replaced by fasting blood glucose.

3) Two hours after meals, blood glucose does not affect normal medication and injections, nor does it affect normal meals, so it does not cause blood glucose fluctuations.

4) It is worth reminding the following two questions:

Before taking a blood glucose measurement two hours before a meal, you must take medicine or injections as usual, and the quality and quantity of meals must be the same as usual. Otherwise, you cannot understand the usual blood glucose control.

The blood glucose two hours after a meal should be calculated from the first mouthful of the meal, because the digestion and absorption of the gastrointestinal tract has already begun when the first mouthful is eaten. Some people start counting time from meals, and some people start counting time after meals. These methods are not correct and may affect the measurement results.

Postprandial blood glucose not only indicates good or bad blood glucose control, but also the higher the postprandial blood glucose value, the greater the probability of cardiovascular and cerebrovascular diseases. The data show that sugar friends are 2 to 4 times more likely to develop cardiovascular disease than ordinary people. And those with diabetes are three times more likely to die of cardiovascular disease than non-diabetics. Large-scale clinical studies have found that as postprandial blood glucose increases, the overall incidence of coronary heart disease and the incidence of fatal coronary heart disease also gradually increase. The higher the postprandial blood glucose, the higher the chance of angina pectoris, myocardial infarction, and stroke.

The higher the postprandial blood glucose, the higher the incidence of diabetic microalbuminuria and diabetic retinopathy. Therefore, postprandial hyperglycemia also causes great damage to the kidneys and eyes; it also affects cognitive function and reduces the brain's ability to provide information Processing ability, reduce memory and attention; postprandial hyperglycemia can also lead to emotional changes, which can make people feel less energetic and depressed.

A 2-hour postprandial blood glucose measurement is another important method for diagnosing and discovering diabetes. There are many patients clinically, and the fasting blood glucose is not high, but the blood glucose is significantly increased 2 hours after a meal, which can also be diagnosed as diabetes. The method is to eat a two-fold (about 100 grams) steamed bun or 75 grams of glucose when fasting in the morning, and then take blood 2 hours after the meal to measure blood sugar. If the plasma blood sugar is greater than or equal to 200 mg / dL (11.1 mmol / L) Even if the fasting blood glucose is normal, it can be diagnosed as diabetes. If the result is dL (7.8 mmol / L), diabetes can be ruled out. If the result is> 140mg / dL (7.8mmol / L), a further 75g oral glucose tolerance test is needed to make a diagnosis.

A 2-hour postprandial blood glucose test is actually a simplified glucose tolerance test. Because this method has fewer blood draws than the oral glucose tolerance test, is simple and easy to be accepted by patients, it is the most commonly used method for clinically screening and finding diabetes patients with normal fasting blood glucose. The measurement of 2 hours postprandial blood glucose has two meanings, one is for diagnosis, and the other is to observe the recovery of glucose tolerance to reflect the functional status of islets. If after a period of treatment, the fasting blood sugar has returned to normal, and the postprandial blood sugar is still high, it often indicates that the patient's glucose tolerance is still not good, and the secretion of islets is still delayed. If the fasting blood glucose is normal and the postprandial blood glucose is normal, it means that the patient has better glucose tolerance and the islet function improves.

1) Polyuria: urine volume of 3000 to 5000 ml per night or more. The frequency of urination also increases, and it may urinate once in an hour or two. The higher the blood sugar, the more urine sugar is excreted, and the more urine volume is.

2) Drink more: due to the lack of water in the cells caused by the high-sugar environment; due to polyuria and excessive water loss, drink more frequently. The more you urinate, the more you drink, forming a direct relationship.

3) Eat more: due to a large amount of sugar excretion, the cells are in a state of lack of energy, so they need to be added to cause an increase in appetite; and high blood sugar stimulates insulin secretion, which makes patients prone to starvation. Not feeling full.

4) Wasting: A large amount of adipose tissue is broken down to replace the lack of energy, which leads to weight loss in patients, and the symptoms of atypical or less diabetic patients are less obvious. Some patients have normal fasting blood sugar, but have high blood sugar and urine sugar after meals. These patients have not had a serious glucose metabolism disorder, and they have no obvious "three more and one less". Some patients have higher glucose and renal glucose thresholds. Although there are fasting hyperglycemia or obvious diabetic microangiopathy, urine glucose does not appear. Although some patients have no typical symptoms, peripheral neuropathy and large blood vessel disease have appeared.

Most of these patients do not go to the hospital for treatment. Although some patients have symptoms, they are ignored by themselves. They mistakenly believe that drinking more and urination are their habits rather than diseases; eating more is considered to be a good appetite and is healthy. Sign; weight loss is interpreted as too busy at work, etc. These patients are often diagnosed with diabetes after a period of time, or even years, when their vision is reduced, edema, proteinuria, foot ulcers, periodontitis, or urinary retention is left to the hospital for examination. At this time, the complications hurt themselves and the friends around them.

Normal postprandial blood glucose has a certain range, as long as it is within the range, it means that the health is good. So, what is the normal value of postprandial blood glucose? There is no time limit for judging the normal value of postprandial blood glucose. However, in clinical medicine, the two-hour postprandial blood glucose level is used as the standard, because this time is the most representative And, more accurately.

There are many ways to measure the normal value of postprandial blood glucose. Different diagnostic methods are used for blood glucose test. The specific results of normal value of postprandial blood glucose are also different. This is because different people have different constitutions.

Therefore, there is a certain difference in the normal value of postprandial blood glucose, and the difference in the normal value of postprandial blood glucose is normal.

Normal postprandial blood glucose is below 7.8 millimoles per liter. If the blood glucose level within two hours after a meal is in this range, it can basically be considered that the blood glucose level is normal and ideal. Normal postprandial blood glucose refers to this range.

The postprandial blood glucose level is between 7.8 mmol and 11.1 mmol per liter. If the postprandial blood glucose content is within this range, it is called impaired glucose tolerance or high blood glucose. At this time, you need to pay more attention because It is a precursor to diabetes and cannot be ignored.

The postprandial blood glucose level is above 11.1 mmol per liter. There is no doubt that if the postprandial blood glucose level is above 11.1 mmol, then it must be a diabetic patient. If you want to determine whether diabetes, then this value is the best range to judge diabetes.

Normal postprandial blood glucose is an important criterion for measuring physical health. Understanding these is very important to pay attention to physical health. Normal postprandial blood glucose can be determined only when it is within the healthy standard value.

Normal postprandial blood glucose is of great significance to human health. Due to different body constitutions, the specific blood glucose value is also different. Therefore, postprandial normal blood glucose is only a range, not an accurate value. The normality of postprandial blood glucose is related to the patient's health and treatment, so the normal value of postprandial blood glucose should be paid special attention.

The above is the range of normal postprandial blood glucose. In short, it is best to control the normal postprandial blood glucose below 7.8 millimoles per liter. This is the most normal postprandial blood glucose normal value. Please be alert to the dangers of diabetes and pay attention to normal postprandial blood glucose. Hope it could help everyone.

If the fasting blood glucose exceeds 6.2mmoL / L, and the two-hour postprandial blood glucose exceeds 7.8mmol / L, these people should pay attention to the impaired blood glucose, which belongs to pre-diabetes. There are two consequences of this situation. If effective interventions are used to control the normal blood glucose level, it is possible to prevent the onset of diabetes. If there is no effective control, diabetes will occur. The treatment of pre-diabetes is also equivalent to the treatment of diabetes. You need to take a positive attitude to control effectively, using diet control, increasing exercise, controlling weight, regular blood glucose monitoring, and a full understanding of diabetes.

I. Drug treatment:

2. Non-drug treatment:

1. Control your diet:

Proper diet can reduce the burden of islet cells, which is the main method for treating diabetes. Generally, the daily staple food is controlled at about six, and the insufficient part is supplemented with vegetables. Legumes should be added to staple foods, and soy products should be added to non-staple foods to reduce sugar intake.

2. Increase exercise: In addition to diet control, proper exercise should be used to promote the use of sugar, which is an important method for treating this disease.

3. Weight loss: Obesity is an important factor that causes diabetes. Controlling weight can effectively reduce the burden of islets and is conducive to the recovery of diabetes.

With the prosperity of life and health education, people are paying more and more attention to certain diseases that threaten their health. This includes diabetes. Some people have some knowledge of diabetes and often give themselves by testing their blood sugar two hours after a meal. To diagnose or rule out diabetes, in fact, only a part of the diabetic patients can be found by testing the blood sugar two hours after a meal. There are quite a few pre-diabetic and early patients with unobvious symptoms that often delay their condition because of their one-sided understanding.

In the early and early stages of diabetes, the secretory function of insulin-producing islet cells is slightly impaired, but the basal secretion of insulin can still control blood glucose levels in the fasting state, so it can maintain normal fasting blood glucose. Since the food is digested and absorbed by the gastrointestinal tract after meals, the blood glucose content is significantly increased, and the demand for insulin is correspondingly increased. At this time, those with impaired islet function or defects, the secretion of insulin cannot compensate for carbohydrates in the body, and the postprandial blood glucose level will naturally be significantly higher than that of normal people. It is found in clinical observations that the fasting blood glucose is normal and the postprandial blood glucose is abnormal, and the fasting and postprandial blood glucose are abnormal, which is the development rule of the course of most diabetic patients from mild to severe. We know that the fasting blood glucose of normal people is generally distributed between 3.9 and 6.1 mmol / L, most of which are distributed between 4.4 and 5.6 mmol / L.

Blood sugar should be between 4.4 and 7.8 mmol / L two hours after a meal. According to the World Health Organization's diabetes diagnostic standards, when fasting blood glucose exceeds 7.0mmol / L, diabetes can be diagnosed regardless of whether the postprandial blood glucose is normal. If the fasting blood glucose is normal and the blood glucose exceeds 11.1mmol / L within two hours after a meal, Diagnosed as diabetes; if fasting blood glucose is normal, and two hours postprandial blood glucose is between 7.8 and 11.1 mmol / L, it is considered to be in the stage of impaired glucose tolerance from normal glucose tolerance to diabetes, and impaired glucose regulation (IGR ) Clinical manifestations, that is, pre-diabetes. Impaired glucose regulation (IGR) can be divided into two states, namely impaired fasting glucose (IFG) and impaired glucose tolerance (IGT). In order to improve the detection rate of diabetes or pre-diabetes, the Diabetes Branch of the Chinese Medical Association recommends that the lower diagnostic cut-off point of IFG be reduced from 6.1mmol / L to 5.6mmol / L, and the upper limit of 7.0mmol / L remain unchanged.

In fact, the normal endocrine system is very sensitive to changes in the internal environment of the body. It can adjust the secretion of various hormones such as insulin at any time according to changes in the internal environment of the body to maintain the stability of the internal environment and ensure the normal operation of the body.

Therefore, for healthy people, no matter what they eat, how much they eat, the body always secretes enough insulin to participate in glucose metabolism to ensure that blood sugar levels remain in the normal range. Therefore, as long as the fasting is higher than 6.1mmol / L or the blood glucose is higher than 7.8mmol / L two hours after meals in any morning, middle and late meal, you should be highly vigilant.