However, registration of cardiac arrests was prospective and uniform, following the standardized Utstein style for
reporting out - of - hospital cardiac arrest and revised for data quality assurance by the RACE - CARS team.18 Our results support efforts of other communities seeking to improve bystander and first - responder intervention, since they come from a quality - improvement database of a substantial portion of the state of North Carolina, with stable
reporting over a 4 - year
period during a broad
implementation program that used a standardized protocol, as recommended by the American Heart Association.13, 20,40