catatricrotism

[kăt′ə-trīkrə-tĭz′əm]
n.
  1. A condition of the pulse marked by three expansions of the artery following the main beat and producing three upward notches on the downstroke of a pulse tracing.
Related formscat′a•tri•crotic (-trī-krŏtĭk) adj.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.