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논문 기본 정보

자료유형
학술저널
저자정보
Il-Young Oh (Seoul National University Bundang Hospital) Myung-Jin Cha (Seoul National University Hospital) Tae-Hui Lee (Mediplex Sejong Hospital) Jeong-Wook Seo (Seoul National University College of Medicine) Seil Oh (Seoul National University Hospital)
저널정보
대한심장학회 Korean Circulation Journal Korean Circulation Journal Vol.48 No.12
발행연도
2018.1
수록면
1,081 - 1,096 (16page)

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We reviewed the anatomical characteristics of the conduction system in the ventricles of human and ungulate hearts and then raised some questions to be answered by clinical and anatomical studies in the future. The ventricular conduction system is a 3-dimensional structure as compared to the 2-dimensional character of the atrial conduction system. The proximal part consisting of the atrioventricular node, the bundle of His and fascicles are groups of conducting cells surrounded by fibrous connective tissue so as to insulate from the underlying myocardium. Their location and morphological characters are well established. The bundle of His is a cord like structure but the left and right fascicles are broad at the proximal and branching at the distal part. The more distal part of fascicles and Purkinje system are linear networks of conducting cells at the immediate subendocardium but the intra-mural network is detected at the inner half of the ventricular wall. The papillary muscle also harbors Purkinje system not in the deeper part. It is hard to recognize histologically in human hearts but conducting cells as well as Purkinje cells are easily recognized in ungulate hearts. Further observation on human and ungulate hearts with myocardial infarct, we could find preserved Purkinje system at the subendocardium in contrast to the damaged system at the deeper myocardium. Further studies are necessary on the anatomical characteristics of this peripheral conduction system so as to correlate the clinical data on hearts with ventricular arrhythmias.

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