Fig. 3From: Description of Emergency Medical Services, treatment of cardiac arrest patients and cardiac arrest registries in EuropeAvailability of Helicopter Emergency Medical Services. Legend: Dark blue indicates HEMS 24/7 in all of the country, medium blue indicates HEMS 24/7 in some areas, light blue indicates HEMS but not 24/7 and grey indicates no HEMS. White colour indicates the country did not participate in the surveyBack to article page