AST: Aspartate Aminotransferase or SGOT: Serum glutamic-oxaloacetic transaminase Test used to detect liver damage. AST is an enzyme found mostly in the heart and liver, and to a lesser extent in other muscles. When liver or muscle cells are injured, they release AST into the blood. ALT: Alanine Aminotransferase or SGPT: Serum glutamic-pyruvic transaminase Test … Read more