What does "AST" mean in a report or doctor's letter? In our medical dictionary, you will find a patient-friendly explanation of the meaning of this medical term.
AST stands for Aspartate Aminotransferase, which is a type of enzyme found in various parts of the body, including the liver, heart, and muscles. It plays a crucial role in the metabolism of amino acids, the building blocks of proteins. Doctors often measure the level of AST in the blood to check the health of a person's liver or to diagnose a liver disease. High levels of AST in the blood can indicate a problem with the liver or other organs.
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