peri-infarction block

[pĕr′ē-ĭn-färkshən]
n.
  1. An electrocardiographic abnormality that is associated with an old myocardial infarct and is caused by delayed activation of the myocardium in the region of the infarct.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.