Defibrillation. At the end of the 18th century two physiologists, Prévost and Batelli, performed shock experiments on the hearts of dogs. They applied electrical shocks and discovered that small shocks put the dogs' hearts into VF and this was succes

If you come across someone who is unconscious, unresponsive, not breathing or not breathing normally, they’re in cardiac arrest.The most important thing is to call 999 and start CPR to keep the blood flowing to the brain and around the body.

Defibrillation is an electrical shock delivered to the heart designed to terminate a life-threatening arrhythmia or cardiac arrest. The Automated External Defibrillator (AED) is a device capable of automatically detecting a heart rhythm...