ACCF/AHA Representative. ACCF/AHA Task Force on Practice Guidelines Liaison. Society of Thoracic Surgeons Representative. American College of Physicians Representative. American College of Emergency Physicians Representative. #American Academy of Family Physicians Representative. **ACCF/AHA Task Force on Performance Measures Liaison. Society for Cardiovascular Angiography and Interventions Representative. The online-only Data Supplement is available with this article at http://circ.ahajournals.org/lookup/suppl/doi:10.1161/CIR.0b013e318256f1e0/-/DC1. The online-only Comprehensive Relationships Table is available with this article at http://circ.ahajournals.org/lookup/suppl/doi:10.1161/ CIR.0b013e318256f1e0/-/DC2. This document was approved by the American College of Cardiology Foundation Board of Trustees and the American Heart Association Science Advisory and Coordinating Committee in March 2012. The American Heart Association requests that this document be cited as follows: Jneid H, Anderson JL, Wright RS, Adams CD, Bridges CR, Casey DE Jr, Ettinger SM, Fesmire FM, Ganiats TG, Lincoff AM, Peterson ED, Philippides GJ, Theroux P, Wenger NK, Zidar JP. 2012 ACCF/AHA focused update of the guideline for the management of patients with unstable angina/non ST-elevation myocardial infarction (updating the 2007 guideline and replacing the 2011 focused update): a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines. Circulation. 2012;126:875 910. This article is copublished in the Journal of the American College of Cardiology. Copies: This document is available on the World Wide Web sites of the American College of Cardiology (www.cardiosource.org) and the American Heart Association (my.americanheart.org). A copy of the document is available at http://my.americanheart.org/statements by selecting either the By Topic link or the By Publication Date link. To purchase additional reprints, call 843-216-2533 or e-mail kelle.ramsay@wolterskluwer.com. Expert peer review of AHA Scientific Statements is conducted by the AHA Office of Science Operations. For more on AHA statements and guidelines development, visit http://my.americanheart.org/statements and select the Policies and Development link. 