Document Detail

About the specialized myocardial conducting tissue.
MedLine Citation:
PMID:  23680040     Owner:  NLM     Status:  Publisher    
The chronological succession of discoveries on the location and structure of the atrio-ventricular conducting system are described. The starting point of this system is located in the sinus atrial node, identified by the English scientists A. Keith and M. W. Flack in 1907. The atrioventricular conducting system was pointed out by the Swiss physician Wilhelm His Jr. in 1893. The atrioventricular node (AV) was first identified by the Japanese pathologist Sumao Tawara and his German professor Ludwig Aschoff in 1906. Likewise the structure and routes of the three internodal bundles are described. These bundles include: Bachmann's bundle (1916) connecting the right with the left atrium and the AV node; the middle Wenckebach's bundle (1910) and the posterior or Thörel's bundle (1910), extending from the region of the sinus atrial node towards the posterior margin of the AV node. Lastly, the ventricular left and right conduction systems are detailed. These include the main trunk and their peripheral subdivisions with respective networks. Regarding the controversial existence of the left middle subdivision, it can exist in animal and human hearts. Nevertheless, an intermediate left septal network of specialized fibers seems to act as a functional equivalent of this subdivision.
Alfredo de Micheli Serra; Pedro Iturralde Torres; Alberto Aranda Frausto
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2013-5-13
Journal Detail:
Title:  Archivos de cardiologia de Mexico     Volume:  -     ISSN:  1405-9940     ISO Abbreviation:  Arch Cardiol Mex     Publication Date:  2013 May 
Date Detail:
Created Date:  2013-5-17     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101126728     Medline TA:  Arch Cardiol Mex     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Instituto Nacional de Cardiología Ignacio Chávez. Published by Masson Doyma México S.A. All rights reserved.
Research Fallow, Instituto Nacional de Cardiología Ignacio Chávez, Tlalpan, DF, Mexico. Electronic address:
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