These are conducting fibers that relay the electrical impulse throughout the ventricles.

这些是导电纤维，可在整个心室中传递电脉冲。

Even though these are just conducting fibers, they can be injured due to heart disease, a heart attack, or surgery.

即使这些只是导电纤维，也可能由于心脏病，心脏病发作或手术而受伤。