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® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
References in periodicals archive ?
Atrial ultrastructure in patients with fixed intra-atrial block. Chest.
Interatrial block: a virtual pandemic requiring attention
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