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<< Identifying Emergency Department Patients With Chest Pain Who Are at Low Risk for Acute Coronary Syndromes

Introduction

Every year in the United States, there are approximately 8 million emergency department (ED) visits for chest pain, but only 13% to 25% lead to a diagnosis of acute coronary syndromes (ACS).1,2 ACS is a group of potentially life-threatening conditions comprised of ST-segment elevation myocardial infarction (STEMI), non-ST-segment elevation mycocardial infarction (NSTEMI), and unstable angina. For the evaluation of suspected ACS in the ED, consensus guidelines recommend obtaining electrocardiogram (ECG) and cardiac biomarker testing in addition to the basic history, physical examination, and chest radiography.2-8

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