Hear from Simon Dunn, Head of The Circuit Operations at British Heart Foundation (BHF) on how registering public access defibrillators on The Circuit can help you keep your community heart safe. It takes less than 5 minutes to register a defibrillator and there is no cost to register.

A defibrillator needs to be on The Circuit for the ambulance service to see it – registration could make a lifesaving difference.

What is The Circuit?

BHF, Resuscitation Council UK, NHS England, St John Ambulance, and the Association of Ambulance Chief Executives worked with all fourteen NHS ambulance services to develop The Circuit – the national defibrillator network.

The Circuit maps the location of defibrillators in the UK so that emergency call handlers can direct bystanders to the nearest defibrillator in the event of a cardiac arrest.  Every minute without CPR and defibrillation after a cardiac arrest reduces the chance of survival by up to 10%.

There are over 88,000 defibrillators registered, however it is estimated that tens of thousands are not registered, including thousands in schools and sports facilities.

You can check if your defibrillators are registered here DefibFinder.UK


Tuesday 4 June, 14:00pm – 15:00pm



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About the Trainer

Simon Dunn, Head of The Circuit Operations at the British Heart Foundation (BHF).

His career has included the armed forces, aerospace manufacturing and leadership positions in third sector health. His role at the BHF is operational delivery of the UK’s national defibrillator registry, The Circuit. This involves working closely with the 14 NHS ambulance services and the national partnership that funds and delivers a system that now has nearly 90,000 defibrillators registered by 60,000 individual Guardians and organisations.

Simon was awarded an MBE for his humanitarian work and crews emergency ambulances as a St John Ambulance volunteer.

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