Prehospital factors associated with return of spontaneous circulation after nonshockable out-of-hospital cardiac arrest: a retrospective analysis of the Polk County Fire Rescue CARES registry
Non-shockable out-of-hospital cardiac arrest (OHCA), including pulseless electrical activity (PEA) and asystole, is associated with poor outcomes. Identifying prehospital factors associated with return of spontaneous circulation (ROSC) may inform emergency medical services (EMS) quality-improvement priorities. We perfo...