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bundle branch block

[ bŭndl ]
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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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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

How to use bundle branch block in a sentence

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