Fig. 1

Flowchart of transportation to the hospital, treatment, and outcome of patients with traumatic out-of-hospital cardiac arrest included in the study, Vietnam, February 2014–December 2018 (AED, automated external defibrillation; CPC, cerebral performance category; CPR, cardiopulmonary resuscitation; ECMO, extracorporeal membrane oxygenation; ED, emergency department; EMS, emergency medical services; ROSC, return of spontaneous circulation)