First, do liver function tests need an empty stomach? Generally speaking, if you want to have a liver function test, you must have a blood test, and you must have an empty stomach before the blood test. Fasting 12 hours or more should be guaranteed before the test, so as to improve the accuracy of the test results and prevent the effective components in the blood from being damaged after meals, resulting in abnormal test results during the test.

What other precautions are there during the inspection?

Second, what are the precautions when checking? 1, have enough rest before inspection.

Before the examination, patients should have enough rest days to prevent strenuous exercise. Because strenuous exercise sometimes leads to an increase in the standard value of alanine aminotransferase, and most of the reasons for the increase in the standard value of alanine aminotransferase are diseases in the liver, which will cause abnormal resolution results for doctors.

2. Check that you can't eat greasy food for dinner the day before.

Although it is said that you should have an empty stomach before liver function test, you can't eat completely. Patients should try to choose the next morning for testing, but they should not eat too much greasy at dinner the day before. Try to choose some foods with light taste to prevent the high risk of cholesterol and serum protein detection in blood night.

Step 3 stop taking drugs

Some people usually take some medicine, such as some patients with hypertension, hyperlipidemia and hyperglycemia. They have to take drugs for a long time to keep their health stable, and this group of people must stop taking drugs before liver function tests, so as to prevent drugs from causing blood night changes, thus endangering the test results.

4. Avoid staying up late often.

Many people usually have the habit of staying up late, but it should be understood that they should fall asleep on time the night before the examination, so that the second wizard can wake up on time for the examination, and also to prevent the liver from not getting enough rest the night before, interfering with liver function and making some changes in the examination the next day.

Generally speaking, before the liver function examination, we should master some common problems so as to pay attention to them during the examination. Only by being careful and strict can we get accurate exam results. Once abnormal liver function is found, you need to see a doctor immediately. Only by taking corresponding countermeasures can we restore the liver as soon as possible and prevent the occurrence of cirrhosis from endangering our physical and mental health.