presystole /pre·sys·to·le/ (pre-sis´tah-le) the interval just before systole.
presystole
pre·sys·to·le (pr -s s t -l)n. The interval in the cardiac rhythm immediately preceding systole. pre  sys·tolic (-s-st lk) adj. |
presystole
[-sis′təlē]
Etymology: L, prae, before; Gk, systole, contraction
the interval in the cardiac cycle immediately before systole. presystolic, adj.
presystole
the interval in the cardiac cycle just before systole.
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