Broadbent's sign

[ brôdbĕnts′ ]

n.

An indication of adherent pericardium in which the retraction of the thoracic wall is synchronous with cardiac systole and is visible in the left posterior axillary line.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.