“…Other stressful situations for these professionals include a lack of access to physicians, nonsupportive management, patient’s companions, shift work, working with patients with mental disorders, ( 7) or patients with behavioral problems or drug abuse and alcohol abuse, (8) or who present violent aggressive behaviors. Moreover, certain scholars have referred to other factors such as a heavy workload, (9) role conflicts, (10) perception of little organizational support, (9) and personal psychological aspects (9,11) as parameters related to the perceived stress in these individuals. In addition to the issues mentioned above, emergency medical service staff employed in the government health-care system in Iran, are involved in handling various other challenges, such as the shortage of personnel, insufficient equipment, deficient training with respect to the necessary standards, problems of interaction with others, problems of skill training, exposure to worries, and various forms of emotional distress.…”