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Introduction: In mass-casualty incidents (MCIs), command centers often rely on oral or written reports, leading to communication gaps, misunderstandings, and inadequate logistics of available resources. In this study, a real-time communication and information system for Triage, Position, and Documentation (TriPoD) has been developed using action research in collaboration with end-users to ensure high usability. TriPoD integrates commercially available technology, utilizing a digital triage tag with a unique ID number that attaches to each injured person. Prehospital providers scan the electronic triage tag via a mobile app, instantly sending data to command centers through a web portal. The developed TriPoD enables a seamless transfer of patient information through the whole emergency care chain, from the scene of the MCI during transport, to and within hospitals.

Aim: The study aimed to evaluate TriPoD’s effectiveness and usability during a simulated MCI with figurants.

Methods: Using a qualitative observational design, nonparticipant observers were stationed at the incident site, at a regional command center, and a hospital command center. Observers systematically compared TriPoD with standard procedures and management.

Results: Results revealed that command centers received real-time updates on the patient count, triage status, and locations faster than traditional methods. Data transmitted through the web portal was updated each time a new patient was scanned, allowing for continuous real-time monitoring and decisions. Both prehospital providers and command center users observed TriPoD’s effectiveness and usability, with minor delays when prehospital emergency care providers did not consistently scan injured individuals.

Conclusion: The study demonstrates that seamless information transfer from MCI scenes enhances reliable communication and management efforts. Although TriPoD shows strong potential for improving MCI response and management, further development and testing with intended users are essential.