CARES Annual Report 2017 | 35 Abstracts • Shah M, Bartram C, Irwin K, McNally B, Gallagher T, Vellano K, Swor R. Evaluating The Provision And Outcome Of Dispatch-Assisted Cardiopulmonary Resuscitation Using The Cardiac Arrest Registry To Enhance Survival (CARES). National Association of EMS Physicians Annual Meeting; 2017 January 21- 26; New Orleans, LA. • Shah M, Bartram C, Irwin K, McNally B, Gallagher T, Vellano K, Swor R. Barriers To Dispatch-Assisted Cardiopulmonary Resuscitation Instruction. National Association of EMS Physicians Annual Meeting; 2017 January 21-26; New Orleans, LA. • Hansen S, Hansen CM, Fordyce C, Dupre M, Monk L, Tyson C, Jollis J, Granger C, and the CARES Surveillance Group. Early Defibrillation by First- Responders in Relation to Fire Stations: Optimal Benefit According to Location. American College of Cardiology 66 th Annual Scientific Session; 2017 March 17-19; Washington, DC. • Naim MY, Griffis HM, Burke RV, McNally BF, Song L, Berg RA, Nadkarni VM, Vellano K, Bradley RN, Markenson D, Rossano JW. Race/Ethnicity and Socioeconomic Factors are Associated With Bystander CPR in Pediatric Out of Hospital Cardiac Arrest: A Study From the Cardiac Arrest Registry to Enhance Survival (CARES). American Heart Association Resuscitation Science Symposium, Dickinson W. Richards Memorial Lecture; 2017 November 11-13; Anaheim, CA. • Andersen LW, Holmberg MJ, Granfeldt A, Løfgren B, Vellano K, McNally BF, Siegerink B, Kurth T, Donnino MW, the CARES Surveillance Group. Neighborhood Characteristics, Bystander Automated External Defibrillator Use, and Patient Outcomes in Public Out-of-Hospital Cardiac Arrest. American Heart Association Resuscitation Science Symposium; 2017 November 11-13; Anaheim, CA. • Balian S, Buckler DG, Bhardwaj A, Abella BS. Post Admission Variability in OHCA Survival Outcomes in Pennsylvania. American Heart Association Resuscitation Science Symposium; 2017 November 11-13; Anaheim, CA. • Buckler DG, Grossestreuer AV, Karp DN, Balian S, Carr BG, Wiebe DJ, Abella BS. Association of Demographic and Geospatial Factors With the Provision of Bystander CPR Following Out-of- Hospital Cardiac Arrest. American Heart Association Resuscitation Science Symposium; 2017 November 11-13; Anaheim, CA. • Grossestreuer AV, Carr BG, Buckler DG, Karp DN, Abella BS, Donnino MW, Gaieski DF, Wiebe DJ. Cardiac Arrest Risk Standardization in Pennsylvania Using Administrative Data Compared to Registry Data. American Heart Association Resuscitation Science Symposium; 2017 November 11-13; Anaheim, CA.