Circle K (Community Service Group) CK Cook Islands (country code, top level domain) CK Cocos (Kneeling) Islands CK Common Knowledge CK Chatham-Kent (Canada) CK Conductive Keratoplasty CK Conversion Kit CK Clark Kent (Superman) CK Cask CK Captain Kidd CK Citizen Kane (Orson Welles movie) CK Chuck Klosterman (writer)What is the difference between CK-MM and CK-MB?
CK-MM: Found mostly in your skeletal muscles. CK-MB: Found mostly in your heart muscle. CK-BB: Found mostly in your brain tissue. Cleveland Clinic is a non-profit academic medical center. Advertising on our site helps support our mission. We do not endorse non-Cleveland Clinic products or services. Policy What is a creatine kinase (CK) test?What does it mean when your CK levels go up and down?
If you have multiple test results that peak and then begin to drop, it usually means your muscle damage has diminished. If your CK levels increase or stay at a persistently high level, it may indicate that you have ongoing muscle damage or muscle degeneration.What does it mean when your CK MB is high?
CK-BB enzymes: High levels of CK-MB may mean you have had a stroke or brain injury. Certain conditions and injuries that aren’t directly related to your muscles can cause elevated CK levels, including: Hormonal (endocrine) disorders, such as thyroid disease, Addison’s disease or Cushing’s syndrome.