Cardiac arrest & resuscitation
Precision timing in public-access defibrillation: a study of time-stamped data recorded by automatic external defibrillator from railway stations
Authors' conclusion
Second-by-second AED log data in real world can provide valuable insight into the actual implementation of PAD programs.
Study context
- Population
- Automated external defibrillator (AEDs) deployed at Japanese railway stations, March 2019 to August 2023
- Participants
- 1,066 AEDs
- Outcome
- Real-world AED operation
- Follow-up
- 53 months
Methodological detailsdescriptive, AED time-stamped log data
- Descriptive
- AED time-stamped log data
Main finding
As reported in the abstract
- AED activations
- 384
- Shockable rhythms identified
- 111 out of 384 cases (29.4 %)
- Shocks delivered
- 109 out of 384 cases (28.9 %)
- Internal discharges
- two cases (1.8 %)
- Median time from power-on to rhythm analysis
- 53 s
- Median interval from completion of charge to shock delivery
- 5 s
- Uses per device varied by location, from none up to
- 10 times
Observational data: associations, not effects.
Original publication
Precision timing in public-access defibrillation: a study of time-stamped data recorded by automatic external defibrillator from railway stations. Resuscitation. Published 27 June 2025. doi:10.
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