The meaning of DIASTOLE is a rhythmically recurrent expansion; especially : the relaxation and dilation of the chambers of the heart and especially the ventricles during which they fill with blood.
This results in a rhythmic alternation between blood flow (systole) and no blood flow (diastole). This alternation is the cause of the typical pulse-synchronous flow noises, also called Korotkoff noises. The cuff pressure continues to drop, while the valve remains open. If the values are ...
systole the rhythmic contraction of the heart, and especially of the ventricles, following each dilatation. Cf.diastole.—systolic,adj. See also:Heart the shortening of a syllable that is naturally long.Cf. diastole. —systolic,adj. See also:Verse ...