Liver function test precautions

Many people will conduct relative examinations on their bodies at specific times, so that they can know their physical health status well and adjust their living habits. Liver function test is a very common test, but there are some things to pay attention to when checking liver function. If you don't pay attention, the test results may be affected.

The liver plays a very important role in our human body. For example, the alcohol we drink is digested by the liver. If there is a problem with the liver, it will also have a certain impact on the immune system, so everyone must pay attention to the precautions of liver function tests.

Things to note before liver function tests

1. Fasting examination

Many values ​​of liver function tests are related to diet. Therefore, you should avoid drinking alcohol at dinner the day before the liver function test, do not eat high-fat, high-protein foods, do not eat after 9 pm, and do not eat breakfast on the day of the test. Liver function tests should be performed by drawing blood on an empty stomach, which is usually 8 to 12 hours.

2. Avoid strenuous activities

You should not exercise or do strenuous exercise on the morning of the liver function test. You should rest quietly for 20 minutes after arriving at the hospital before having your blood drawn for testing.

3. Try to avoid liver function tests during intravenous infusion or within 4 hours of medication.

If your physical condition allows, it is best to stop taking the medication 3 to 5 days before doing a liver function test. Generally speaking, the larger the dosage and the shorter the interval, the greater the interference with liver function test results. Drugs that affect the results of liver function tests include isoniazid, rifampicin, chlorpromazine, salicylic acid preparations, etc.

4. Do not eat foods rich in carotene and lutein

The day before the liver function test, eating foods rich in carotene and lutein will make the serum yellow and affect the jaundice index measurement results; high-fat meals can increase blood lipids, so it is necessary to avoid eating fat-containing foods 10 hours before blood collection. Medical Education Network | Collected and compiled.

The above is the information introduced to you about the precautions of liver function tests. I hope you can remember it better after reading it. Everyone should have a physical examination, because it can help you understand your physical condition. You should pay attention to the points that need to be paid attention to in liver function tests so as not to affect the test results.