intra-atrial block

Medical Dictionary

intra-atrial block in·tra-a·tri·al block (ĭn'trə-ā'trē-əl)
n.
Impaired conduction of a nerve impulse through the atria, manifested by widened and often notched P waves.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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