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CPK
Alternate Names : CK, Creatine Kinase, Creatine Phosphokinase
DefinitionA CPK is a blood test that measures creatine phosphokinase (CPK), an enzyme found predominantly in the heart, brain, and skeletal muscle. When the total CPK level is substantially elevated, it usually indicates injury or stress to one or more of these areas.
Pictures & Images
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Why is the Test Performed?
When a muscle is damaged, CPK leaks into the bloodstream. Determining which isoenzyme (specific form of CPK) is elevated will help determine which tissue has been damaged.
This test may be used for the following reasons:
Repeated checks of CPK levels may be performed. The pattern and timing of a rise and/or fall in CPK levels can be diagnostically significant, particularly if a heart attack is suspected.
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• Definition
• Why is the Test Performed?
• How is the Test Performed?
• How to Prepare for the Test?
• How will the Test Feel?
• What do Abnormal Results Mean?
• Special Considerations
• Risks
• Pictures & Images
Topics that might be of interest to you Diseases & Conditions
• Dermatomyositis
• Heart Attack
• Hypothyroidism
• Malignant Hyperthermia
• Muscular Dystrophy
• Pericarditis - After Heart Attack
• Polymyositis - Adult
• Rhabdomyolysis
• Spinal Cord Trauma
Tests & Exams
• Cardiac Catheterization
• CPK Isoenzymes
Other Topics
• Adolescent Test or Procedure Preparation
• Chest Pain
• Electrical Injury
• Enzyme
• Infant Test/Procedure Preparation
• Preschooler Test/Procedure Preparation
• School Age Test/Procedure Preparation
• Seizures
• Toddler Test/Procedure Preparation
Review Date : 5/20/2003
Reviewed By : Bridget Martell, M.D., Department of Internal Medicine, Albert Einstein College of Medicine, New York, NY. Review provided by VeriMed Healthcare Network.
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