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. 2019 Aug;10(4):693-706.
doi: 10.1055/s-0039-1695800. Epub 2019 Sep 18.

Design and Evaluation of an Integrated, Patient-Focused Electronic Health Record Display for Emergency Medicine

Affiliations

Design and Evaluation of an Integrated, Patient-Focused Electronic Health Record Display for Emergency Medicine

Xiaomei Wang et al. Appl Clin Inform. 2019 Aug.

Abstract

Background: Hospital emergency departments (EDs) are dynamic environments, involving coordination and shared decision making by staff who care for multiple patients simultaneously. While computerized information systems have been widely adopted in such clinical environments, serious issues have been raised related to their usability and effectiveness. In particular, there is a need to support clinicians to communicate and maintain awareness of a patient's health status, and progress through the ED plan of care.

Objective: This study used work-centered usability methods to evaluate an integrated patient-focused status display designed to support ED clinicians' communication and situation awareness regarding a patient's health status and progress through their ED plan of care. The display design was informed by previous studies we conducted examining the information and cognitive support requirements of ED providers and nurses.

Methods: ED nurse and provider participants were presented various scenarios requiring patient-prioritization and care-planning tasks to be performed using the prototype display. Participants rated the display in terms of its cognitive support, usability, and usefulness. Participants' performance on the various tasks, and their feedback on the display design and utility, was analyzed.

Results: Participants provided ratings for usability and usefulness for the display sections using a work-centered usability questionnaire-mean scores for nurses and providers were 7.56 and 6.6 (1 being lowest and 9 being highest), respectively. General usability scores, based on the System Usability Scale tool, were rated as acceptable or marginally acceptable. Similarly, participants also rated the display highly in terms of support for specific cognitive objectives.

Conclusion: A novel patient-focused status display for emergency medicine was evaluated via a simulation-based study in terms of work-centered usability and usefulness. Participants' subjective ratings of usability, usefulness, and support for cognitive objectives were encouraging. These findings, including participants' qualitative feedback, provided insights for improving the design of the display.

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Conflict of interest statement

None declared.

Figures

Fig. 1
Fig. 1
Image of the patient-focused display prototype with different sections for a given emergency department (ED) patient profile (For the purpose of the study, the patient’s name, image, and demographics were replaced with fictitious information).
Fig. 2
Fig. 2
Example of Specific Usability Questions for the top banner section.
Fig. 3
Fig. 3
Average usability, usefulness, and median frequency of use scores for each display section and for shared features.

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