cardiac cycle

Noun
  1. 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 (synset 107355904)
    "the cardiac cycle can be shown on an electrocardiogram"
    is a type of: cycle, oscillation - a single complete execution of a periodically repeated phenomenon

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