The ratio of amino acid to aromatic amino acid is important for clinical diagnosis of hepatitis and cirrhosis, and understanding of liver function damage.

Basic Information

Specialist classification: Digestive examination classification: biochemical examination

Applicable gender: whether men and women apply fasting: fasting

Tips: Blood is taken in the morning and the various amino acid drugs are stopped 3 days before the examination. Normal value

2.69 to 3.85.

Clinical significance

Reduced in cirrhosis, severe hepatitis, liver cell damage.

Low results may be diseases: liver cirrhosis, acute and chronic hepatitis precautions

1, the morning empty blood.

2. Various amino acid drugs were stopped 3 days before the test.

Inspection process

Immediately after blood collection, the test method was carried out with the determination of branched-chain amino acids and aromatic amino acids.

Not suitable for the crowd

Patients who have taken contraceptives, thyroid hormones, steroid hormones, etc., may affect the results of the test, and patients with a history of drug administration in the near future are prohibited.

Adverse reactions and risks

1, local subcutaneous hemorrhage: after the blood collection should be pressed for a sufficient time, especially those with bleeding tendency, so as not to cause subcutaneous oozing and bruising due to no blood coagulation.

2, infection: attention to aseptic operation during venous blood collection, so as not to cause local infection.