CIRC - Trends in Survival From Out-of-Hospital Cardiac Arrest

 "Recent Trends in Survival From Out-of-Hospital Cardiac Arrest in the United States"

"Conclusions—Data drawn from a large subset of U.S communities suggest that rates of survival from out-of-hospital cardiac arrest have improved among sites participating in a performance improvement registry."

http://circ.ahajournals.org/content/130/21/1876.full