What is a defibrillator and how does it work?

Question: What is a defibrillator and how does it work?

Answer :A defibrillator is an electrical device that provides a shock to the heart when there is a life-threatening arrhythmia present. The arrhythmia that we worry about is called ventricular fibrillation. This is a very rapid erratic beating of the heart. Continue reading