Fibrillation is an uncontrolled twitching or quivering of muscle fibers (fibrils). When it occurs in the lower chambers of the heart, it is called ventricular fibrillation. During ventricular fibrillation, blood is not pumped from the heart. Sudden cardiac death results. The most common cause of VF is a heart attack. However, VF can occur whenever the heart muscle does not get enough oxygen.
What causes Ventricular fibrillation?
Fibrillation is an uncontrolled twitching or quivering of muscle fibers (fibrils). When it occurs in the lower chambers of the heart, it is called ventricular fibrillation. During ventricular fibrillation, blood is not pumped from the heart. Sudden cardiac death results. The most common cause of {{ORGANIZATION}} is a heart attack. However, {{ORGANIZATION}} can occur whenever the heart muscle does not get enough oxygen.