Why creatinine kinase increases

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Manini, A. Seo, and C. Morton, D. Maclaren, N. Cable et al. Kayani, J. Morton, and A. Vasilaki, A. Mansouri, H. Van Remmen et al. Noble, K. Milne, and C. Richter and N. Ponticos, Q. Lu, J. Morgan, D. Hardie, T. Partridge, and D. Neumann, U. Schlattner, and T. Lieber and J. Ryschon, M. Fowler, R. Wysong, A. Anthony, and R. It is mostly found in your skeletal muscles and heart, with lesser amounts in the brain. Skeletal muscles are the muscles attached to your skeleton. They work with your bones to help you move and give your body power and strength.

Heart muscles pump blood in and out of the heart. A small amount of CK in the blood is normal. Higher amounts can mean a health problem.

Depending on the type and level of CK found, it can mean you have damage or disease of the skeletal muscles , heart, or brain. A CK test is most often used to diagnose and monitor muscular injuries and diseases.

These diseases include:. The test can be used to help diagnose a heart attack, though not very often. CK testing used to be a common test for heart attacks. But another test, called troponin , has been found to be better at detecting heart damage. You may also need this test if you had a muscle injury or stroke. CK levels may not peak until up to two days after certain injuries, so you may need to be tested a few times.

Tietz Clinical Guide to Laboratory Tests. Fourth edition. Edited by Wu AHB. Louis, Saunders Elsevier, ; Crit Care Apr;9 2 Morandi L, Angelini C, Prelle A, et al: High plasma creatine kinase: review of the literature and proposal for a diagnostic algorithm. This is another protein found in your heart. This is because cardiac troponin is more sensitive and more specific. Or the healthcare provider may order tests to see how you are recovering.

These tests include:. Because levels of CK may rise if you have a thyroid problem, alcohol abuse, or kidney failure, your healthcare provider may also order tests to look for these diseases. Test results may vary depending on your age, gender, health history, the method used for the test, and other things. Your test results may not mean you have a problem.

Ask your healthcare provider what your test results mean for you. The normal range for general CK varies by age and gender. Race is also known to affect CK levels. The test is done with a blood sample. A needle is used to draw blood from a vein in your arm or hand.