AED stands for automated external defibrillator . An AED is a device that is a little larger than a laptop computer. It automatically analyzes heart rhythms and delivers an electric current to the heart if the heart is in ventricular fibrillation. In other words, an AED can restore a fibrillating heart to a normal rhythim. Back to list of questions 2.
Ventricular fibrillation is an abnormal heart rhythm , or arrhythmia.
When ventricular fibrillation develops, the heart quivers and stops its pumping action. Victims of ventricular fibrillation collapse and quickly lose consciousness. Back to list of questions 3. They are also important because they don't require a lot of training to be used effectively. This involves recognizing the symptoms of a heart problem and calling 911 or another emergency system number.