Biochemical markers of myocardial injury |
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Authors: | P K Nigam |
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Institution: | (1) Dept. of Cardiology, King George's Medical University, 226 003 Lucknow |
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Abstract: | 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. |
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Keywords: | Cardiac markers Myocardial infarction |
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