(pathol) the absence of heartbeat; cardiac arrest

1860, from Modern Latin, from Greek a-, privative prefix (see a- (3)), + systole “contraction” (see systole).

asystole a·sys·to·le (ā-sĭs’tə-lē, ə-sĭs’-)
The absence of contractions of the heart.
a’sys·tol’ic (ā’sĭ-stŏl’ĭk) adj.


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