Perisystole

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Perisystole \Per`i*sys"to*le\, n. [Pref. peri- + systole: cf. F.
     p['e]risystole.] (Physiol.)
     The interval between the diastole and systole of the heart.
     It is perceptible only in the dying.
     [1913 Webster]