Enzyme markers in myocardial infarction
Biomarkers of cardiac muscle damage are
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Most sensitive are Cardiac troponins I & T: Proteins that regulate calcium-mediated contraction of cardiac and skeletal muscle
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Estimation of ratio of LDH-1:LDH-2 is helpful in diagnosis
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Myoglobin – First biomarker to be elevated, however is non-specific and is rapidly excreted in urine
References :
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Robbins and Cotrans: Pathologic basis of diseases.8th edition
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Harshmohan: Text book of Pathology.7th edition