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Published on in Vol 14 (2026)

Preprints (earlier versions) of this paper are available at https://preprints.jmir.org/preprint/92992, first published .
Doctor reviews patient vitals on a tablet showing ECG and SPO2 readings.

Digital Health–Enabled Prehospital Notification for Acute Stroke Using the Brain Saver Mobile App in Emergency Medical Transport in South Korea: Pilot Quasi-Experimental Study

Digital Health–Enabled Prehospital Notification for Acute Stroke Using the Brain Saver Mobile App in Emergency Medical Transport in South Korea: Pilot Quasi-Experimental Study

Eunah Kim   1, 2 ;   Jeongheon Kim   3, 4 ;   Dougho Park   5 ;   Suhyun Park   6 ;   Byungju Lee   7 ;   Mi Sun Oh   8 ;   Taehee Kim   9 ;   Jinhyang Kim   9 ;   Gahui Gim   9 ;   Joongyub Lee   4 ;   Ji-Yeob Choi   10, 11, 12, 13, 14, 15 ;   Daehee Kang   4, 10 , MD, PhD

1 Institute of Health and Environment, Seoul National University, Seoul, Republic of Korea

2 Department of Healthcare Policy Research, Korea Institute for Health and Social Affairs, Sejong, Republic of Korea

3 Community Health Innovation Center, Seoul National University College of Medicine, Seoul, Republic of Korea

4 Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Republic of Korea

5 Medical Research Institute, Pohang Stroke and Spine Hospital, Pohang, Gyeongsangbuk-do, Republic of Korea

6 Department of Neurology, Pohang St. Mary's Hospital, Pohang, Gyeongsangbuk-do, Republic of Korea

7 Department of Neurology, Pohang Semyeong Christianity Hospital, Pohang, Gyeongsangbuk-do, Republic of Korea

8 Department of Neurology, Hallym Neurological Institute, Hallym University College of Medicine, Hallym University Sacred Heart Hospital, Anyang, Gyeonggi-do, Republic of Korea

9 Seers Technology Co, Ltd, Pyeongtaek, Gyeonggi-do, Republic of Korea

10 Integrated Major in Innovative Medical Science, Seoul National University Graduate School, Seoul, Republic of Korea

11 Department of Biomedical Sciences, Seoul National University Graduate School, Seoul, Republic of Korea

12 Institute of Health Policy and Management, Seoul National University Medical Research Center, Seoul, Republic of Korea

13 Medical Big Data Research Center, Seoul National University Medical Research Center, Seoul, Republic of Korea

14 Cancer Research Institute, Seoul National University, Seoul, Republic of Korea

15 BK21plus Biomedical Science Project, Seoul National University College of Medicine, Seoul, Republic of Korea

Corresponding Author:

  • Daehee Kang, MD, PhD
  • Department of Preventive Medicine
  • Seoul National University College of Medicine
  • 103 Daehak-ro, Jongno-gu
  • Seoul 03080
  • Republic of Korea
  • Phone: 82 2-740-8326
  • Email: dhkang@snu.ac.kr