Fig. 1From: A 6-year case series of resuscitative thoracotomies performed by a helicopter emergency medical service in a mixed urban and rural area with a comparison of blunt versus penetrating traumataken from HEMSBase™)A map of East Anglia showing the location of the five Air Ambulance bases. The concentric circles show tasking radius, small red dots represent Major Trauma Centres, small yellow dots represent Trauma Units (mapBack to article page