How to save a life: paramedics on emergency first aid – from cardiac arrest to burns to seizures

Timing and composure are everything when it comes to emergency first aid. Composite: Guardian Design; Posed by models; Kmatta;AndreyPopov/Getty Images

Cardiac arrest

“If you learn one thing, it should be how to resuscitate,” says Richard Webber, an associate clinical director of St John Ambulance and practising NHS paramedic in the south of England. “We know that for every one minute delay in restarting the heart, there is a 10% reduction in survivability.”