TheAmerican HeartAssociation requests that this document be cited as follows: Levine GN, O Gara PT, Bates ER, Blankenship JC, Kushner FG,Ascheim DD, Bailey SR, Bittl JA, Brindis RG, Casey DE Jr, Cercek B, Chambers CE, Chung MK, de Lemos JA, Diercks DB, Ellis SG, Fang JC, Franklin BA, Granger CB, Guyton RA, Hollenberg SM, Khot UN, Krumholz HM, Lange RA, Linderbaum JA, Mauri L, Mehran R, Morrow DA, Moussa ID, Mukherjee D, Newby LK, Ornato JP, Ou N, Radford MJ,Tamis-Holland JE,Ting HH,Tommaso CL,Tracy CM,WooYJ, Zhao DX. 2015ACC/AHA/SCAI focused update on primary percutaneous coronary intervention for patients with ST-elevation myocardial infarction: an update of the 2011ACCF/AHA/SCAI guideline for percutaneous coronary intervention and the 2013ACCF/AHA guideline for the management of ST-elevation myocardial infarction: a report of theAmerican College of Cardiology/American HeartAssociation Task Force on Clinical Practice Guidelines and the Society for CardiovascularAngiography and Interventions. Circulation. 2016;133:1135 1147. This article has been copublished in the Journal of the American College of Cardiology and Catheterization and Cardiovascular Interventions. Copies: This document is available on the World Wide Web sites of the American College of Cardiology (www.acc.org), the American Heart Association (my.americanheart.org), and the Society for Cardiovascular Angiography and Interventions (www.scai.org). A copy of the document is available at http:// professional.heart.org/statements by using either Search for Guidelines & Statements or the Browse By Topic area. 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://professional.heart.org/statements. Select the Guidelines & Statements drop-down menu, then click Publication Development. Permissions: Multiple copies, modification, alteration, enhancement, and/or distribution of this document are not permitted without the express permission of the American Heart Association. Instructions for obtaining permission are located at http://www.heart.org/HEARTORG/General/Copyright- Permission-Guidelines_UCM_300404_Article.jsp. 