Many factors in the workplace can also delay the timely delivery of potentially lifesaving resuscitation. These include:
- Businesses based in remote locations which will likely be subject to longer response times by the emergency services
- Urban or multi-storey locations which could prove difficult for emergency responders to reach due to the need to negotiate traffic, staircases, elevators, escalators, or crowds of people
- Industrial campuses or businesses with spread out facilities which could also prove hazardous if first aid supplies and defibrillators are located in a distant building
The only definitive treatment for SCA is defibrillation – an electric current that "shocks" the heart so that a normal rhythm may resume. This "shock" must be delivered within minutes of the arrest to successfully prevent death.
For the best chance of survival, defibrillation should be delivered within the first four to six minutes. The likelihood of successful resuscitation decreases by around 7% to 10% with every minute that passes and after ten minutes without defibrillation, few attempts of resuscitation are successful.
As the average response time for emergency medical services in a typical community is eight minutes, an automated external defibrillator (AED) placed on site could mean the difference between life and death.