systol-, -systole, -systolic, -stole

(Greek > Latin: contraction; to draw together)

bradydiastole
Prolongation of the diastole (time in between ventricular, or muscular chambers, contractions) of the heart.
diastole
diastolic
extrasystole (s) (noun), extrasystoles (pl)
A premature contraction of the heart, resulting in a momentary cardiac arrhythmia: When someone experiences an extrasystole, he or she is having a heartbeat beyond the normal rhythm which often occurs in normal individuals.
hypodiastole
hyposystole
peridiastole
The almost inappreciable time which elapses between the systole and the diastole of the heart.
sphygmosystole (s) (noun), sphygmosystoles (pl)