Pĕr'i-sys'to-le, n.
n. [Fr. périsystole, from Gr. περί, around, about, and συστολή, a contraction. See SYSTOLE.] (Med.) The pause or interval between the systole or contraction, and the diastole or dilatation, of the heart.
n. [Fr. périsystole, from Gr. περί, around, about, and συστολή, a contraction. See SYSTOLE.] (Med.) The pause or interval between the systole or contraction, and the diastole or dilatation, of the heart.