Introduction: There are more than 700 biochemistry tests that includes one third of laboratory tests. Managing produced information needs to information systems. Present research was aimed to analyze situation of biochemistry information systems in educational-therapeutic hospital laboratories of Shahid Beheshti University of Medical Sciences and Health Services. Methods: In this descriptive -a...

Introduction: Hospital information system is comprehensive software aiming to integrate patient information in order to send and exchange information between departments and other medical centers, based on, Since according to the users' needs, some changes such as modifications, improvements or conformity to changes in the organization are applied and also some requirements and performance char...

Introduction: Quality improvement is the main purpose of health care organizations in general and of hospitals in particular. Physicians are the main users of information systems. It is, therefore, necessary to study the impact of using medical information systems on health care quality and the factors affecting the physicians’ use of these systems. Methods: This is a descriptive-analytic study...

Introduction: The ability of an organization depends on the quality of decisions it makes. Information system plays a crucial role in this process. The present study dealt with determining the attitudes of managers towards the characteristics of information systems in decision- making at teaching hospitals affiliated with Iran University of Medical Sciences. Methods: The study was a cross-secti...

Information Systems/ Information Technology (IS/IT) signifies an organization's use of computer systems for project completion and goal realization. Strategic planning has, for long, empowered the organizations to fully utilize the information systems and technologies at their disposal. Research findings, however, indicate how complex and fraught with setbacks this kind of planning can be. With...

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چکیده در این پایاننامه ابتدا فضاهای متریک فازی را به صورت مشاهدهگرایانه بررسی میکنیم. فضاهای متریک فازی و توپولوژی تولید شده توسط این متریک معرفی شدهاند. سپس بر اساس فضاهایی که در فصل اول معرفی شدهاند آشوب توپولوژیکی، مینیمالیتی و مجموعههای متقاطع در شیوههای مختلف بررسی شده- اند. در فصل سوم مفهوم مجموعههای جاذب فازی به عنوان یک مفهوم پایهای در سیستمهای نیم-دینامیکی نسبی، تعریف شده است. ...