An app that swiftly sends CPR volunteers to heart attack sufferers has made a big difference in Denmark. Could this be copied in the U.S.? – The Washington Post

Of the more than 100,000 registered Danish volunteers, 75 percent do not have an expert background in healthcare, surveys show. But that doesnt matter, said Freddy Lippert, director of Copenhagen Emergency Medical Services, the first service to integrate the heart runner app in its services emergency response and welcome regular people to download it in 2017.