blood angiotensin I converting enzyme 2 activity level +
blood angiotensin I converting enzyme activity level +
blood aspartate aminotransferase activity level +
blood creatine kinase activity level +
blood dipeptidyl peptidase 4 activity level +
blood gamma-glutamyltransferase activity level +
blood glutamate dehydrogenase activity level +
blood glutathione peroxidase activity level +
blood lactate dehydrogenase activity level +
The amount of ezymatic activity of lactate dehydrogenase (LDH) in a specified volume of blood. LDH is the enzyme which catalyses the reaction S)-lactate + NAD(+) <=> pyruvate + NADH. Blood LDH level can be used as a marker for tissue damage.