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Medical Term:

bundle-branch block


Definition: intraventricular block due to interruption of conduction in one of the two main branches of the atrioventricular bundle and manifested in the electrocardiogram by marked prolongation of the QRS complex; block of each branch has distinctive QRS morphology.

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.