English noun: cardiac cycle | |||
1. | cardiac cycle (event) the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next; an electrical impulse conducted through the heart muscle that constricts the atria which is followed by constriction of the ventricles | ||
Samples | The cardiac cycle can be shown on an electrocardiogram. | ||
Broader (hypernym) | cycle, oscillation | ||