The path the electrical impulse takes to the bottom of the heart is called the atrioventricular bundle, also known by the more rad name, the bundle of His, where it branches out to the left and right ventricles.

电脉冲到达心脏底部的路径被称为房室束，还有个更棒的名字——希斯氏束，它在那里分支到左心室和右心室。