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To the Editor: Ethnic disparities in contemporary ST-segment elevation myocardial infarction (STEMI) management have not been well characterized (1). The National Cardiovascular Data Registry Acute Coronary Treatment and Intervention Outcome Network–Get With The Guidelines Registry (ACTION Registry–GWTG) is the largest national database including consecutive acute coronary syndrome patients from all US geographic regions and therefore provides a unique opportunity to compare contemporary treatment patterns and outcomes between Hispanic and non-Hispanic white STEMI patients. Between January 2007 and March 2009, 46,245 STEMI patients were treated at 333 sites and included in the ACTION Registry–GWTG. Race/ethnicity was self-reported by the patient or family member, and classified by US Census Bureau categories. A total of 5,633 patients who were neither Hispanic nor White, or …