An AST blood test measures levels of aspartate aminotransferase (AST) and helps determine liver function. Too much of this enzyme can indicate a problem, such as liver damage. Aspartate ...

Is it significant? A seemingly relevant abnormality in these tests must be interpreted in context. The decision about the need for further diagnostic evaluation and/or the most appropriate evaluation ...

November 2, 2006 (Boston) — The currently accepted upper limit of normal for serum alanine aminotransferase (ALT) levels is "artificially high," officials from the American Association for the Study ...

Altered liver enzymes consistently were tied to Alzheimer's disease, an observational study of older adults showed. Aspartate aminotransferase (AST) to alanine aminotransferase (ALT) ratios were ...

An alanine aminotransferase (ALT) test measures the level of the enzyme ALT in your blood. This test can help doctors evaluate liver function or determine the underlying cause of a liver problem. ALT ...

Tips for interpreting elevated hepatic enzymes Evaluating abnormal hepatic enzymes is common in primary care practice and understanding the causes is essential for developing proper treatment plans.

The liver makes several enzymes to help function, including alanine aminotransferase, or ALT. Doctors can measure levels of ALT in the blood to help diagnose various liver conditions. Besides helping ...