Many things can cause an increase in total creatine kinase CK and in the isoenzymes. This test is often used to look for damage to muscles. For example, it might be used to see if someone who has muscle pain has serious muscle damage. You do not need to do anything special to prepare for this test. The health professional taking a sample of your blood will:.
The blood sample is taken from a vein in your arm. An elastic band is wrapped around your upper arm. It may feel tight. You may feel nothing at all from the needle, or you may feel a quick sting or pinch. There is very little chance of a problem from having a blood sample taken from a vein. The range for "normal" varies from lab to lab.
Your lab may have a different range. Your lab report should show what range your lab uses for "normal. You may not be able to have the test, or the results may not be helpful, if:. Different types of health problems can raise creatine kinase CK levels. Your doctor will look at your CK test results along with the results of other tests, your symptoms, and your health history. This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information.
Your use of this information means that you agree to the Terms of Use and Privacy Policy. Learn How this information was developed. 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. Having a blood test with a needle carries some risks. These include bleeding, infection, bruising, and feeling lightheaded. When the needle pricks your arm or hand, you may feel a slight sting or pain. Afterward, the site may be sore. Strenuous exercise, recent surgery, and certain medicines may make your CK levels higher than normal.
African Americans naturally have higher levels of CK. Some people with a muscular build also have higher levels of CK. You don't need to prepare for this test. Be sure your healthcare provider knows about all medicines, herbs, vitamins, and supplements you are taking. This includes medicines that don't need a prescription and any illegal drugs you may use.
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Test Catalog. Download Test. Useful For Suggests clinical disorders or settings where the test may be helpful Diagnosing and monitoring myopathies or other trauma, toxin, or drug-induced muscle injury. Serum creatine kinase CK activity may increase in patients with acute cerebrovascular disease or neurosurgical intervention and with cerebral ischemia as well as in nearly all patients when injury, inflammation, or necrosis of skeletal or heart muscle occurs, including: -All types of muscular dystrophy particularly in progressive muscular dystrophy particularly Duchenne sex-linked muscular dystrophy.
CK concentrations have been found to be relatively higher in black race populations. Louis, Saunders Elsevier, ; 2.
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