Perisystole
Pronunciation : Per`i*sys"to*le
Part of Speech : n.
Etymology : [Pref. peri- + systole: cf. F. p?risystole.] (Physiol.)
Definition : Defn: The interval between the diastole and systole of the heart. It is perceptible only in the dying.
Source : Webster's Unabridged Dictionary, 1913