Cardiac biomarkers in the blood can help predict, perhaps even prevent, a major heart attack.
They are used in the diagnosis and risk assessment of patients with chest pain and suspected acute coronary syndrome. Cardiac biomarkers show up in the blood at high levels after the heart has been under severe stress because it isn’t receiving enough oxygen. These markers include enzymes, hormones and proteins. Levels can be high for other reasons; however, if it is suspected to be due to cardiac trouble, biomarkers can be used to quickly find out the size of a heart attack and how seriously the heart was affected. In this segment, we will discuss the factors that prompt doctors to prescribe blood tests to see if a patient has elevated levels of cardiac biomarkers. In many cases medical societies advise doctors to make biomarker measurements an initial testing strategy especially for patients at low risk of cardiac death.
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