heart-block

heart block

noun Pathology.
a defect in the electrical impulses of the heart resulting in any of various arrhythmias or irregularities in the heartbeat.

Origin:
1900–05

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World English Dictionary
heart block
 
n
Adams-Stokes syndrome, Also called: atrioventricular block impaired conduction or blocking of the impulse that regulates the heartbeat, resulting in a lack of coordination between the beating of the atria and the ventricles

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

heart block n.
A condition in which faulty transmission of the impulses that control the heartbeat results in a lack of coordination in the contraction of the atria and ventricles of the heart.

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