RT Journal Article SR Electronic T1 The Sport Concussion Assessment Tool 5th Edition (SCAT5): Background and rationale JF British Journal of Sports Medicine JO Br J Sports Med FD BMJ Publishing Group Ltd and British Association of Sport and Exercise Medicine SP 848 OP 850 DO 10.1136/bjsports-2017-097506 VO 51 IS 11 A1 Ruben J Echemendia A1 Willem Meeuwisse A1 Paul McCrory A1 Gavin A Davis A1 Margot Putukian A1 John Leddy A1 Michael Makdissi A1 S John Sullivan A1 Steven P Broglio A1 Martin Raftery A1 Kathryn Schneider A1 James Kissick A1 Michael McCrea A1 Jiří Dvořák A1 Allen K Sills A1 Mark Aubry A1 Lars Engebretsen A1 Mike Loosemore A1 Gordon Fuller A1 Jeffrey Kutcher A1 Richard Ellenbogen A1 Kevin Guskiewicz A1 Jon Patricios A1 Stanley Herring YR 2017 UL http://bjsm.bmj.com/content/51/11/848.abstract AB This paper presents the Sport Concussion Assessment Tool 5th Edition (SCAT5), which is the most recent revision of a sport concussion evaluation tool for use by healthcare professionals in the acute evaluation of suspected concussion. The revision of the SCAT3 (first published in 2013) culminated in the SCAT5. The revision was based on a systematic review and synthesis of current research, public input and expert panel review as part of the 5th International Consensus Conference on Concussion in Sport held in Berlin in 2016. The SCAT5 is intended for use in those who are 13 years of age or older. The Child SCAT5 is a tool for those aged 5–12 years, which is discussed elsewhere.