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Background: A variety of methods are available for identifying and measuring adverse events and medical errors in healthcare. The aim of this study is to review these methods with their strengths and weaknesses.

Methods: Electronic databases including Medline, Embase, Google Scholar and Iran Medex were searched to identify and summaries relevant studies.

Results: Different methods have been used to identify adverse events and their nature, causes and consequences. Record review seems to be the most common and the best method for measuring the rate and consequences of adverse events. However, this method is relatively expensive and time consuming and still underestimates the rate of adverse events. It is also not suitable for identifying the underlying causes of adverse events. The other method commonly used is reporting system including critical incident reporting system. This method is relatively cheap and more suitable for exploring the underlying causes of adverse events, but it is not suitable for identifying the rate of adverse events as it may underestimate many adverse events. Other methods include critical incident technique, interview, questionnaire, direct observation and review of claims and none of them are suitable for identifying the rate of adverse events but they might be useful for other purposes including assessment of the causes of adverse events.

Conclusion: Several methods can be used for study of adverse events. No single method can serve all purposes. Each method has some strengths and weaknesses. Using a combination of methods is more suitable, but this approach is more expensive and time consuming. Which combination of methods are more appropriate, depends on several factors including the aim of the study and resources available.

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Background: Nowadays, health care section is one of the most important parts of sustained development in human societies because of having relationship with human health. Achieving this goal needs to have healthy and motivational staff, including nurses. We see nurses in all hospital wards who have been interested in their works when entering the hospital, but feel fatigue after several years and may give up their jobs. This survey has been conducted to study of effective factors on nurses' job motivation in Kerman University of Medical Sciences hospitals.

Material and Methods: This is a cross-sectional survey that studies 232 nurses occupied in Kerman university of medical sciences' hospital inpatient wards who were selected by stratified random sampling using a questionnaire which had 31 questions in 5 area: psychological, educational, financial, administrative and welfare factors. For determining the reliability of questionnaire, we conducted a pilot study and its _Krunbakh was 0.92. we used spss11.5 and Kruskal-Wallis and Mann-Whitney tests to analyze data.

Results: The results show the statistical relationships between welfare factor and hospital type (P=0.012), between psychological factor with sex, job experience and marital status (respectively, p=0/002, p=0/043 and p=0/011). But there weren't any statistical relationships between nurses' age and educational status and the studied area of motivation.

Conclusion: In this study, nurses who have following characteristics, have also better motivation status: occupying in hospital B, being married, being man, having master of science degree, having more than 10 years job experience and being between 30-40 years old.

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Background: Medical Equipments have main rule in patients diagnosis and therapy trend and society health. In addition, technology development and increasing prices of these equipments cause vast quantity of exchange is designated to equipments import. Regarding to present level of economical development ability of manufacturing for different kinds of medical equipments is high in our country, there is no need to import in many cases, of course we can have export in this area. The aim of this research is survey of quantity development of medical equipments export emphasizing on 87 article of fourth economical, social and cultural development plan law.

Material and Methods: This research is descriptive applied study. Data have been gathered from checklists, meetings with related experts, library and internet studies and eventually former research documents investigation. Finally data have been analysis through comparative and adaptive tables and comparison of statistics calculated from statistical forms and checklists.

Results: Export rate of medical equipment from 1/08% of import rate, before the fourth economical, social and cultural development plan law, has increased to1/77% of import rate, after that .This rate had a growth rate equal to 63/88%.The ratio of number of certifications on number of medical equipment companies from 1/4, before the law, has increased to 2/12 after that .This ratio had a growth rate equal to 85/96%.The number of medical equipment companies have been presented at international exhibitions has increased too, from 13 to 71.

Conclusion :In quantity development area, the actualized growth rate in medical equipment export in first two years of fourth development plan law, in spite of increasing import, is remarkable. In quality development area as results showed, while increasing in number of companies, the number of certifications that will increase export rate, has increased too. The number of companies have been presented at international exhibitions also has a considerable growth that shows medical equipment quality has improved that plays main role in medical equipment industry presentation to the international market.

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Background: of this study try to determine the Relationship between organizational culture & organizational Maturity of staffs in Isfahan Medical University Hospitals (IMUHs ).

Material and Methods: Three questioners (organizational culture , organizational Maturity) was used for accomplishment of this descriptive & Corelational research.The reliability of These questioners was assest with the cronbach alpha coefficient .this questioners were distribute between 360 employees of IMUHs .Data was analysed by SPSS software.

Results: Funding showed that the organizational culture scores of 5 hospitals were average & 6 hospitals were lower than average . The level of organizational Maturity was average .

Conclusion: There was a significant relationship between organizational culture & organizational Maturity .Hospital Manager should change their organizational culture in order to increases the level of organizational Maturity .