Cardiac Enzyme Studies: Why It Is Done


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Why It Is Done


Cardiac enzyme studies are done to:

  • Determine whether you are having a heart attack or a threatened heart attack (unstable angina) if you have chest pain, shortness of breath, nausea, sweating, and abnormal electrocardiography results.
  • Check for injury to the heart after bypass surgery.
  • Determine if a procedure, such as percutaneous coronary intervention (PCI), or a medicine to dissolve the blockage (thrombolytic medicine) has successfully restored blood flow through a blocked coronary artery.


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Last updated: September 13, 2007
Author: Robin Parks, MS
Reviewed By: E. Gregory Thompson, MD - Internal Medicine, Stephen Fort, MD, MRCP, FRCPC - Interventional Cardiology
Editors: Susan Van Houten, RN, BSN, MBA, Tracy Landauer

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