Abstract. Acute myocardial infarction (AMI) is the global main cause of morbidity and mortality. AMI describes the process of cell death due to prolonged ischemia identified by the appearance of pathological Q-wave in electrocardiogram (ECG). Myocardial cell death does not occur directly after the onset of myocardial ischemia, however, it occurs more than 6 hours after the onset. Thus, certain cardiac markers, such as cardiac troponin and creatinine kinase-MB (CK-MB) which formed in myocardial cell damage, play a vital role in diagnosing AMI. Keywords: Cardiac Biomarker, CK-MB, Diagnosis, Q-wave Myocardial Infarction, Troponin
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