AmbulancesEmergency Medical TechniciansAir AmbulancesEmergency Medical Service Communication SystemsEmergency Medical ServicesTransportation of PatientsAllied Health PersonnelEmergency NursingVisual FieldsTriageEmergenciesMobile Health UnitsElectromagnetic FieldsEmergency Service, HospitalResuscitationFirst AidAmbulance DiversionHeart ArrestCoronary Care UnitsEnglandTime and Motion StudiesHealth Services MisusePatient TransferCardiopulmonary ResuscitationMagnetic FieldsTime FactorsHeat StrokeFee SchedulesEmergency MedicineCrowdingElectric CountershockBerlinWounds and InjuriesAircraftPatient AdmissionVisual Field Tests