… In addition to the normal conduction system, there are also accessory pathways, such as muscle fiber bundles that connect the atrial and ventricular muscles in parts of the left and right atrioventricular rings, and muscle fiber bundles that bypass part of the atrioventricular pathway and directly connect the atria or ventricles. These are associated with the onset of WPW syndrome and LGL syndrome. In some cases, the accessory pathway must be severed by cardiac surgery as a treatment (Figure 9). … *Some of the terminology that refers to "LGL syndrome" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… なお正常の刺激伝導系とは別に副伝導路として,左右の房室輪の一部で心房筋と心室筋を連絡する筋繊維束,また房室伝導路の一部をバイパスして心房あるいは心室を直接連絡する筋繊維束をみることがある。WPW症候群やLGL症候群の発症と関連づけられている。治療として心臓外科的に副伝導路の切断を要する症例もある(図9)。… ※「LGL 症候群」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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