Aspartate Aminotransferase (AST) (Serum Glutamic Oxaloacetic Transaminase (SGOT)
Aspartate aminotransferase (AST), also known as serum glutamic oxaloacetic transaminase (SGOT), AST is an enzyme that is normally present in liver and heart cells. AST is released into blood when the liver or heart is damaged. The blood AST levels are thus elevated with liver damage (for example, from viral hepatitis) or with an insult to the heart (for example, from a heart attack). Some medications can also raise AST levels by breaking down liver or heart cells and releasing the enzyme.