dicrotism


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di·cro·tism

 (dī′krə-tĭz′əm)
n.
A condition in which the pulse is felt as two beats per single heartbeat.

[From Greek dikrotos, double-beating : di-, two; see di-1 + krotos, rattling noise.]

di·crot′ic (-krŏt′ĭk) adj.

dicrotism

the condition of having a doublé heartbeat. — dicrotic, adj.
See also: Heart