Cardiac markers are valuable in diagnosing myocardial infarction. Cardiac markers in the emergency department also help differentiate from other myocardial injuries. The following article will discuss cardiac markers used in the emergency department for diagnosis and prognosis.

When unstable angina occurs, the patient should be diagnosed as soon as possible due to acute myocardial infarction or acute coronary syndrome. Currently, cardiac markers are important tests for early diagnosis of acute coronary syndromes.