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Using human factors methods to design a new interface for an electronic medical record
Jason J Saleem1, Emily S Patterson, Laura Militello
1VA HSR&D Center on Implementing Evidence-Based Practice, Roudebush VAMC, Indianapolis, IN, USA.
AMIA ... Annual Symposium Proceedings. AMIA Symposium
|August 13, 2008
Summary
Human factors studies informed the reengineering of the Veterans Health Administration
Area of Science:
- Health Informatics
- Human-Computer Interaction
- Clinical Decision Support Systems
Background:
- The Veterans Health Administration (VHA) utilizes electronic patient records and clinical decision support.
- The VHA's Computerized Patient Record System (CPRS) is undergoing reengineering.
- This presents an opportunity to enhance system design and functionality.
Purpose of the Study:
- To guide the reengineering of the CPRS through human factors research.
- To understand cognitive organization of clinical data for interface design.
- To evaluate the impact of redesign on clinical reminder learnability.
Main Methods:
- A card sort study to explore data organization by healthcare providers.
- A simulation study to assess learnability of redesigned clinical reminders for new users.
Main Results:
- Card sort data provided insights into cognitive models for interface design.
- Simulation results indicated the learnability impact of specific redesign modifications on clinical reminders.
Conclusions:
- Human factors research is crucial for effective CPRS reengineering.
- Understanding provider cognition can optimize electronic health record interface design.
- Evaluating redesigns through simulation improves usability of clinical decision support tools.
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