Importance of isthmus structure in the right atrium

Jiunn Lee Lin, Ling Ping Lai, Liang Yu Lin, Chia Ti Tsai, Chih Chieh Yu

研究成果: 書貢獻/報告類型章節


Being the chamber receiving systemic venous return, the right atrium is a structure of morphological mosaic, comprising the smooth vestibule, the septum, the trabeculated appendage and junctional crista terminalis, the Eustachian ridge, the fanning pectinate muscle, and the tendon of Todaro. The mosaic milieu by itself predisposes to the formation of reentrant atrial tachyarrhythmias. Meanwhile, the right atrium is also common with secondary isthmus structures resulting from surgical iatrogenic scars or stretch-related spontaneous scars. Inside the heterogenous scars, between adjacent scars, and between natural structural barriers and the scars, there are also facilitated opportunities of creating clinical microreentrant (focal) and macroreentrant atrial tachyarrhythmias. © 2014 Springer-Verlag London. All rights reserved.
主出版物標題Cardiac Arrhythmias
主出版物子標題From Basic Mechanism to State-of-the-Art Management
發行者Springer-Verlag London Ltd
ISBN(列印)1447153154, 9781447153153
出版狀態已發佈 - 十一月 1 2013


  • Atrial arrhythmia
  • Isthmus
  • Right atrium

ASJC Scopus subject areas

  • Medicine(all)

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  • 引用此

    Lin, J. L., Lai, L. P., Lin, L. Y., Tsai, C. T., & Yu, C. C. (2013). Importance of isthmus structure in the right atrium. 於 Cardiac Arrhythmias: From Basic Mechanism to State-of-the-Art Management (頁 77-93). Springer-Verlag London Ltd.