what does this substance creatine kinase
Creatine kinase is an enzyme that is present in all the muscles of the body and is a catalyst in the energy conversion process. Creatine kinase used in the body are of two types - for the muscles and for the brain. Any testing to check their levels will therefore have to factor in this difference and most will have a CKM or CKB test. Elevated levels of the enzyme, or any levels of it, is usually the first test for cardiac problems.