hemiblock

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Related to Left Anterior Hemiblock: Bifascicular block

hemiblock

 [hem´e-blok″]
failure in conduction of electrical impulse in either of the two main divisions of the left branch of the bundle of his; the interruption may occur in either the anterior (superior) or posterior (inferior) division. Hemiblock accompanied by an anterior wall myocardial infarction is a particularly serious finding.
left anterior hemiblock a conduction block of the anterior superior division of the left bundle branch; left anterior hemiblock with acute anterior wall myocardial infarction is a particularly serious finding.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

divisional block

arrest of the impulse in one of the assumed two main divisions of the left branch of the atrioventricular bundle; that is, in either the anterior (superior) division or the posterior (inferior) division.
Synonym(s): hemiblock
Farlex Partner Medical Dictionary © Farlex 2012

hemiblock

(hĕm′ĭ-blŏk′)
n.
Arrest of the cardiac electrical impulse in either the anterior or the posterior division of the left branch of the bundle of His.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

hem·i·block

(hem'ē-blok)
Arrest of the impulse in one of the two main divisions of the left branch of the bundle of His; i.e., in either the anterior (superior) division or the posterior (inferior) division.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
References in periodicals archive ?
Left axis deviation and left anterior hemiblock among 8, 000 Japanese- American men.

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