Absence of contractions of the heart. SYN: asystolia, cardiac standstill. [G. a- priv, + systole, a contracting]
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asys·to·le (')ā-'sis-tə-(.)lē n a condition of weakening or cessation of systole
asys·tol·ic .ā-sis-'täl-ik adj
asys·to·lism (')ā-'sis-tə-.liz-əm n
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n.
a condition in which the heart no longer beats, accompanied by the absence of complexes in the electrocardiogram. The clinical features, causes, and treatment are those of cardiac arrest.
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asys·to·le (a-sisґto-le) [a-1 + systole] absence of a heartbeat; see cardiac arrest, under arrest. asystolic adjMedical dictionary. 2011.