catadicrotism

[kăt′ə-dīkrə-tĭz′əm]

n.

A condition of the pulse marked by two expansions of the artery following the main beat, producing two upward notches on the downstroke of the pulse tracing.

Related formscat′a•di•crotic (-krŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.