Ramos-González, Jaime A.

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A design and implementation of an electronic physician orders entry system
(2005) Ramos-González, Jaime A.; Rodríguez, Néstor J.; College of Engineering; Borges, José; Couvertier, Isidoro; Department of Electrical and Computer Engineering; Colón-Rivera, Celia R.
The main objective of this project is to design and implement a physician order entry application for an electronic patient record system applying usability concepts. This application can improve the quality of care for patients by reducing redundant paper work, eliminating the task of order transcription and preventing medication errors. In order to achieve this goal, we had to go throughout the software development life cycle: planning, designing and implementing. The main application was an order entry module, but other tasks such as physical exams and discharge summaries are supported. A heuristic evaluation was performed by evaluators with knowledge of human-computer interaction and usability engineering. The results of this evaluation generated important information about usability problems that served to redesign the user interfaces of the modules. These evaluations demonstrated the importance of the concepts of usability and the main role the heuristic evaluation plays on the system.