医学
脑室内传导
右束支阻滞
心脏病学
QRS波群
束支阻滞
捆绑
内科学
解剖
心电图
复合材料
材料科学
作者
Mauricio B. Rosenbaum,Marcelo V. Elizari,Julio O. Lázzari,Gerardo Nau,Raúl J. Levi,M. Susana Halpern
标识
DOI:10.1016/0002-8703(69)90038-6
摘要
When conduction is interrupted in the right bundle branch and only intermittently in the two divisions, anterior and posterior, of the left, a very peculiar and as yet undescribed electrocardiographic syndrome occurs. Its main feature is the presence of two different right bundle branch block patterns, with completely opposite directions of the ÂQRS (superiorly and to the left in one; inferiorly and to the right, in the other); together with severe A-V conduction disturbances. Four cases of this singular syndrome are here described and analyzed. Such cases can be considered exceptional experiments of nature, providing most invaluable evidence for the existence of block within the anterior and posterior divisions of the left bundle branch. However, the syndrome of “right bundle branch block with intermittent left anterior and posterior hemiblock” is only one of the several possibilities of what we have named “intraventricular trifascicular blocks,” which will be considered in the second part of this paper.
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