Rhythm of the heart shows whether the heartbeat is regular not only, still point to the section law of heart throb, be to show from the heart which section law is nodded on medicine (or dot having fight) make the heart happened to beat.

• 心律不仅指心跳是否规则，还指心脏搏动的节律，在医学上是指从心脏哪个节律点（或起搏点）使心脏发生了跳动。