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 ...

Dear Dr. Roach: I’m a 65-year-old male. On my recent semiannual checkup, my labs showed an AST level of 53 U/L and an ALT level of 62 U/L. I am concerned about nonalcoholic fatty liver disease. In ...

Dear Dr. Roach: I'm a 65-year-old male. On my recent semiannual checkup, my labs showed an AST level of 53 U/L and an ALT level of 62 U/L. I am concerned about nonalcoholic fatty liver disease. In ...

The De Ritis ratio, defined as the ratio of serum aspartate aminotransferase (AST) to serum alanine aminotransferase (ALT) levels, effectively stratified the risk for 30-day mortality in patients with ...

Our patient's AST value was 17 times the ULN, and his ALT level was 11 times the ULN. While this is considered clinically significant, it is unknown how often ceftriaxone induces such substantial ...