An AST blood test measures levels of aspartate aminotransferase (AST) and helps determine liver function. Less than 40 IU/L is normal, but too much of this enzyme can indicate a problem, such as liver ...
Medically reviewed by Jay N. Yepuri, MD Key Takeaways High levels of liver enzymes can suggest liver inflammation or disease.Liver enzyme tests can help diagnose issues like hepatitis, cirrhosis, and ...
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 ...