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  • Published on:
    Humps and cardiac arrest survival

    Dear Editor

    London Ambulance Service's own data suggests that, of 8000 out-of-hospital cardiac arrests a year, 400 survive, with a response time of 8 minutes. The Scottish data reported by Pell et al.[1] suggest that a 3-minute reduction in response could improve that figure by about 25% (say, 8% per minute) but that increasing the response time to 15 minutes lowers the survival rate by only 25% (less than 4%...

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    Conflict of Interest:
    None declared.