Circus movements in the ventricle can lead to ventricular fibrillation. Which condition in the…

Circus movements in the ventricle
can lead to ventricular fibrillation. Which condition in the ventricular muscle
will increase the tendency for circus movements?

A) Decreased refractory period B)
Low extracellular potassium concentration C) Increased refractory period D)
Shorter conduction pathway (decreased ventricular volume) E) Increase in
parasympathetic impulses to the heart