In which ventricular dysrhythmia do the ventricle walls quiver, preventing any movement of blood out of the ventricles and resulting in no cardiac output?

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Ventricular fibrillation is a chaotic and disorganized electrical activity in the ventricles, causing them to quiver instead of contracting effectively. This results in no effective pumping action, and thus no cardiac output. Ventricular flutter and tachycardia are both rapid, abnormal rhythms in the ventricles, but they still allow for some movement of blood. Supraventricular tachycardia occurs in the atria, not the ventricles.

In Which Ventricular Dysrhythmia Do the Ventricle Walls Quiver, Preventing