Are you "empty" before taking blood on an empty stomach

As we all know, coming to the hospital to check blood usually requires an empty stomach check, but will it really be "empty"?

Many people misunderstand the term "fasting syndrome", that is, they start to eat less or even not eat dinner one day in advance, which will actually affect some test results, such as fasting for too long when measuring blood glucose.

Some diabetic patients may have low blood sugar, which may lead doctors to think that blood sugar is well controlled and disease treatment is delayed. Some diabetic patients have very sensitive blood sugar regulation and fast for a long time, so that a large amount of glycogen in the body is converted into blood sugar, resulting in high test results.

How to do the right "fasting"?

1.Do not eat or drink 8-10 hours before blood collection;

2. The day before blood collection, we should keep our usual habits. We should eat normally in the evening. We should mainly eat light food, not drink alcohol, coffee and strong tea, and keep a good sleep;

3. Don't do strenuous exercise in the morning, go to the hospital calmly and slowly to collect blood.

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