Aspartate aminotransferase (AST) is an essential enzyme found in various organs in the body, including the liver, heart, muscles, and kidneys. Its main role is to participate in the metabolism of amino acids, which are necessary for energy production and other vital processes. High levels of AST can indicate damage to the liver, heart, or muscles, making monitoring it crucial to maintain good organic health and prevent complications.
An AST test is prescribed in situations where a doctor wants to assess liver, heart, or muscle health. It may be part of a preventive health check or may be requested when specific symptoms occur.
The AST test is carried out from a blood test. A healthcare professional takes a blood sample, usually from the arm, to analyze the levels of AST in the serum.
The AST test is often included in the following exams:
Normal AST levels vary depending on age, gender, and health status. Here are the standard values:
Note: Normal measurement units and ranges may vary depending on the laboratory and the methods used.
High levels of AST often indicate damage to the liver, heart, or muscles, causing AST to be released into the bloodstream.
Although rare, low levels of AST can also be observed and signal specific problems:
If your AST levels are abnormal, it is important to see a specialist according to the possible cause:
Monitoring your AST levels and acting quickly can help keep your vital organs healthy.
We can analyze and explain hundreds of blood biomarkers. Check out some key examples:
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