Why does ventricular fibrillation result in cardiac arrest?
A) Delayed conduction through the AV node blocks ventricular stimulation.
B) Insufficient blood is supplied to the myocardium.
C) The ventricles contract before the atria.
D) Parasympathetic stimulation depresses the SA node.

Question

Quizplus · Accepted Answer

Ventricular fibrillation causes the heart to quiver ineffectively, preventing it from pumping blood, leading to insufficient blood supply to the myocardium and resulting in cardiac arrest.

Why Does Ventricular Fibrillation Result in Cardiac Arrest