Creatine kinase: What Your Lab Value Means
What is creatine kinase? Creatine kinase (CK) is an enzyme that occurs in all muscle cells of the body and in the brain. It ensures that certain energy stores in the muscle cells, the adenosine triphosphates (ATP), are sufficiently available: CK-MB (in cardiac muscle cells) CK-MM (in muscle cells of the musculoskeletal system) CK-BB (in … Creatine kinase: What Your Lab Value Means