Indian Journal of Clinical Biochemistry

, Volume 22, Issue 1, pp 10–17

Biochemical markers of myocardial injury

  • P. K. Nigam


The serum markers of myocardial injury are used to help in establishing the diagnosis of myocardial infarction. The older markers like aspartate amino-transferase, creatine kinase, lactate dehydrogenase etc. lost their utility due to lack of specificity and limited sensitivities. Among the currently available markers cardiac troponins are the most widely used due to their improved sensitivity specificity, efficiency and low turn around time. Studies have shown that cardiac troponins should replace CKMB as the diagnostic ‘gold standard’ for the diagnosis of myocardial injury. The combination of myoglobin with cardiac troponins has further improved the accuracy in the diagnosis of acute coronary syndromes and thereby reducing the hospital stay and patients' money. Among the other new markers of early detection of myocardial damage, heart fatty acid binding protein, glycogen phosphorylase BB and myoglobin/carbonic anhydrase III ratio seem to be the most promising. But the search for the most ideal marker of myocardial injury is still on.

Key words

Cardiac markers Myocardial infarction 


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Copyright information

© Association of Clinical BIochemists of India 2007

Authors and Affiliations

  • P. K. Nigam
    • 1
  1. 1.Dept. of CardiologyKing George's Medical UniversityLucknow

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