A beat occurring as a contraction of a portion of a heart chamber cephalad to the chamber of origin.
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- retrofocus lens,
- retrograde amnesia,
- retrograde block,
- retrograde ejaculation,
- retrograde embolism,
- retrograde hernia,
- retrograde menstruation
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.