Georgiev N
Vutr Boles. 1986;25(3):112-5.
Present-day data (histological, electrocardiographic, vectorcardiographic and coronarographic) are presented in the paper, forming the concept of quadrifascicular structure of the conduction system of the heart. The criteria are indicated, on which the diagnostics of blocking of anterior-medial ramification of the left branch of His bundle is based. The author presents 4 of his own observations, illustrating the variety of the manifestations of the blocking of the anterior-medial ramulus--intermittent blocking, combination with blocking of anterior-upper ramulus, blocking in the presence of only septal fibres of the ramulus and blocking with spreading of the fibres also in the anterior-septal region of the left ventricle of heart.
本文展示了当代数据（组织学、心电图、向量心电图和冠状动脉造影数据），形成了心脏传导系统四分支结构的概念。指出了希氏束左分支前内侧分支阻滞诊断所依据的标准。作者介绍了自己的4例观察病例，说明了前内侧分支阻滞表现的多样性——间歇性阻滞、与前上分支阻滞合并、仅存在分支间隔纤维时的阻滞以及纤维在左心室前间隔区域也有扩散时的阻滞。
