CARDIAC CYCLE
\kˈɑːdɪˌak sˈa͡ɪkə͡l], \kˈɑːdɪˌak sˈaɪkəl], \k_ˈɑː_d_ɪ__ˌa_k s_ˈaɪ_k_əl]\
Definitions of CARDIAC CYCLE
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the complete cycle of events in the heart from the beginning of one heart beat to the beginning of the next; an electrical impulse in conducted through the heart muscle that constricts the atria which is followed by constriction of the ventricles; "the cardiac cycle can be shown on an electrocardiogram"
By Princeton University
By Willam Alexander Newman Dorland
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The series of the normal phenomena proceeding from the heart and exhibited during one contraction of that organ. It embraces the period comprised between the commencement of one contraction and the commencement of the contraction immediately following it. [Gr.]
By Smith Ely Jelliffe
