Head-worn displays (HWDs) offer their users high mobility, hands-free operation, and “see-
what-I-see” features. In the prehospital environment, emergency medical services (EMS)
staff could benefit from the unique characteristics of HWDs. We conducted a field study to
analyze work practices of EMS staff and the potential of HWDs to support their activities.
Based on our observations and the comments of EMS staff, we propose three use cases for
HWDs in the prehospital environment. They are (1) enhanced communication between …

In the prehospital environment, head-worn displays (HWDs) could support paramedics and
emergency physicians during complex tasks and procedures. Previously, HWDs have been
used in emergency medical service (EMS) contexts to support triage, telemedicine, patient
monitoring, and patient localization. However, research on HWDs in EMS has three
limitations:(1) HWD applications have not been developed based on field research of
prehospital operations and training,(2) there are few guidelines that direct HWD deployment …