Abstract
In this paper we present the development and usability of an electronic health record (EHR) system in a comprehensive dental clinic.The graphic user interface of the system was designed to consider the concept of cognitive ergonomics.The cognitive task analysis was used to evaluate the user interface of the EHR by identifying all sub-tasks and classifying them into mental or physical operators, and to predict task execution time required to perform the given task. We randomly selected 30 cases that had oral examinations for routine clinical care in a comprehensive dental clinic. The results were based on the analysis of 4 prototypical tasks performed by ten EHR users. The results showed that on average a user needed to go through 27 steps to complete all tasks for one case. To perform all 4 tasks of 30 cases, they spent about 91 min (independent of system response time) for data entry, of which 51.8 min were spent on more effortful mental operators. In conclusion, the user interface can be improved by reducing the percentage of mental effort required for the tasks.
Highlights
Electronic health record (EHR) is a generic term for integrated, computer-based, health information systems, accessible at the point of care
Electronic oral health record system In this study, we focus on the uses of electronic health record (EHR) in a comprehensive dental clinic of final year undergraduates
These values reflect the time a user has spend interacting with the EHR and do not include the time in examining a patient
Summary
Electronic health record (EHR) is a generic term for integrated, computer-based, health information systems, accessible at the point of care. EHRs were classified on the basis of the International Organization for Standardization (ISO) definition (ISO/DTR 20514 2004) According to this definition, the EHR means a repository of patient data in digital form, stored and exchanged securely, and accessible by multiple authorized users. Some of the major advances in EHR use in health care during the past four and a half decades have dealt with relatively mundane matters such as approaches to capturing and storing information, communicating it, retrieving it, and producing and distributing reports (Mantas 2002) These capabilities have greatly reduced transcription errors, improved legibility of reports, eliminated redundancy, facilitated billing and financial functions, and provided a wide variety of other benefits, which indirectly do affect patient safety, health care quality, and efficacy
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