A. Emergency Medical Service (EMS) EMS should be concerned as the system linked between pre- hospital care and care at the hospital. However, all components must work together. Pre-hospital care is defined as “the care provided in the community (at home, school, work or recreation area) until the patient arrives at a formal health- care facility capable of providing definitive care” [2]. The service covers accidents and emergency. Six key processes in pre-hospital EMS as presented in Fig