Background: The importance of the electronic health records in health care well known to everybody, as well as, the role of nurses to provide clinical care; they have a valuable role in successful implementation of electronic systems. The aim of this paper is to assess the nurses' readiness for EHR implementation.

Methods and materials: This was a descriptive cross sectional study, conducted in 2013. Using cluster sampling, 310 nurses selected from teaching hospitals at Tehran University of Medical Sciences (TUMS). A self-structured questionnaire was used for gathering data. Data management and analysis was performed using SPSS for windows by using descriptive statistics.

Results: 85.9% of nurses, participated in the study. The Microsoft Word (58.8%) was the higher level of skill according to ICDL. The mean of computer skills, knowledge and attitude of nurses towards EHR was 43.4%, 51.2% and 65.2%, respectively. In overall, the mean of readiness of nurses was 57.2%. Establish proper communication among providers and prevent duplications was the most positive attitude and complexity of service delivery was the most negative attitude toward EHR.

Conclusion: The most obvious finding to emerge from this study is that it should be considered in the education, training and participation of nurses, it should be ensured the level of knowledge and attitude toward EHR and finally, some related courses in Health Information Systems suggested including the curriculum of nursing.

Keywords: Attitude; Computer skills; Electronic Health Records; Implementation; Knowledge; Nurse; Readiness assessment.