RESUMO
To optimize emergency services depends on appropriate management structures and efficient and effective information system design. This study aimed to investigate emergency department staffs information needs of emergency information system and to design a conceptual model of these needs. This descriptive study was performed among nurses and emergency medicine professionals working in emergency units of 9 hospitals affiliated to Tehran and Shahid Beheshti Universities of Medical Sciences. Data were collected by interviewing 25 staff members in the emergency department, model design by RUP method and UML language and questionnaire distribution among 315 staff members in the emergency department. Data collected were analyzed by descriptive statistics and SPSS. Most nurses and emergency medicine physicians believed that multiple data elements such as time of patient's first visit and procedure, the latest status of patient, medical procedure taken, and paraclinical procedure taken must exist in the emergency information system. Also 68.3% [108] of them agreed with the relationship between data elements required in the clinical practice process. It is concluded that the presence of identity, clinical, and paraclinical data in emergency information systems can produce an electronic medical record. According to these data, elements can improve the coordination between the hospital emergency and pre-hospital rescue teams, controlling of victim status, access to patient reports and quality of service to patients