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 +
The amount of enzymatic activity of creatine kinase (CK) enzyme in a specified sample of blood. CK catalyses the reversible transfer of phosphate between ATP and various phosphogens such as creatine phosphate. Blood CK level is used as an enzymatic marker for myocardial infarction, rhabdomyolysis and acute renal failure.