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Education & training
Clearer AED voice prompts fix lay-user errors
Competence in the use of a semi-automated external defibrillator among undergraduate dental students: evaluation and proposal for improvement
BMC Medical Education · 2026-07-27 · Added 25 October 2026
A simulated cardiac arrest assessment of 81 final-year Spanish dental students found fewer than 10% correctly performed 8 of 10 AED steps with standard voice prompts (median time to shock 143 s), and a modified set of instructions significantly improved key actions.
- Study type
- Simulation
- Design
- Simulation-based before/after assessment with a manikin
- Participants
- 81 final-year dental students
- Main finding
- With standard AED instructions, fewer than 10% of students correctly completed 8 of 10 assessed items (median time to shock 143 s); modified instructions significantly improved device activation and later steps (P<0.001)
- Caveat
- Single university, simulated scenario, students are not representative of trained responders
- Bottom line
- Context only
Why it matters in Australia (Medium relevance). The respondents are dental students, not paramedics, but lay-responder AED performance is the same weak link in Australian public-access defibrillation — the finding that clearer voice prompts fix real errors is a device-design lesson for the AEDs we depend on before we arrive.
Learning goal
Improve my ability to guide bystanders through AED use during out-of-hospital cardiac arrest.
More
- Topic: Education & training
- Daily scan: 25 October 2026
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