bundle-branch block


n.

Intraventricular block due to interruption of conduction in one of the two main branches of the bundle of His and manifested in the electrocardiogram by marked prolongation of the QRS complex.

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

Scientific definitions for bundle-branch block

bundle branch block
[ bŭndl ]

A block in electrical conduction within the ventricles of the heart due to interruption of conduction in one of the two main branches of the bundle of His. It is typically not accompanied by symptoms, but can indicate heart disease or damage.
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