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CPK isoenzymes



Blood test
Blood test


CPK isoenzymes

Alternative Names:

Creatine phosphokinase - isoenzymes; Creatine kinase - isoenzymes; CK - isoenzymes
Special considerations:

Factors that can affect test results include cardiac catheterization, intramuscular injections, recent surgery, and vigorous and prolonged exercise or immobilization.



Drugs that can increase CPK measurements include the following:

  • Amphotericin B
  • Ampicillin
  • Some anesthetics
  • Anticoagulants
  • Aspirin
  • Clofibrate
  • Dexamethasone
  • Furosemide
  • Morphine
  • Alcohol
  • Cocaine

Isoenzyme testing for specific conditions is about 90% accurate.




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