What is occurring during ventricular fibrillation?

Ventricular fibrillation is a critical condition in which the ventricles of the heart quiver instead of contracting effectively. In this state, the electrical impulses in the heart become chaotic, preventing the ventricles from coordinating a proper contraction. As a result, blood is not pumped effectively to the body and brain, leading to a lack of oxygen and potential life-threatening consequences.

Understanding this condition is vital, as it requires immediate intervention, typically through defibrillation, to restore a normal heart rhythm. The quivering motion signifies a loss of effective circulation, which is the primary reason why prompt treatment is essential in cases of ventricular fibrillation.