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1·Objective To investigate cell type and size of fetus atrioventricular node.

目的探讨胎儿房室结内的细胞类型和大小。

2·Results The cell type of atrioventricular node in fetus hearts were composed of light, dark and transitional cells.

结果胎儿房室结的细胞主要为亮细胞、暗细胞和移行细胞。

3·It is characterized by sinoatrial node dysfunction and often includes atrioventricular node disease and bundle branch block.

它的特征是窦房结功能障碍并常伴有房室结疾病和束支传导阻滞。

4·Atrial pacing at different frequencies can reveal atrioventricular node can not be present at a frequency of electrophysiological phenomena.

不同频率心房起搏也可揭露房室结在某一频率下不能呈现的电生理现象。

5·The capillary density in the lower part of the main trunk of the atrioventricular node artery was greater than that in the upper and anterior parts.

以房室结动脉主干为界，其下方毛细血管密度较大，其上方及前方较小。

6·Conclusion the results suggest that dle effect of parasympathetic nerve activity on atrioventricular node function is larger than that of sinoatrial node.

结论提示迷走神经对房室结功能影响大于对窦房结功能影响。

7·The ultra-structures and the connection patterns of the conduction relevant cells in different layers of the rabbit atrioventricular node were investigated.

目的探讨房室结不同层面与细胞传导有关的细胞超微形态及连接方式有无差异。

8·Method We have analysed the 10 patients with the atrioventricular node injury related to RFCA, and indicated the effective method of prevention and treatment.

方法回顾分析了10例射频消融并发房室结损伤的病例，提出其预防及处理方法。

9·Objective To evaluate the value of different slow potentials characteristics in the slow pathway radiofrequency catheter ablation of dual atrioventricular node pathways.

目的本文探讨以不同特征的慢电位为靶点消融慢径的临床意义。

10·Objective: To study the morphological changes of atrioventricular junction area (atrioventricular node and atrioventricular bundle) on the myocardial ischemia model of rat.

目的：在大鼠心肌缺血模型上研究房室交界区(房室结及房室束)的形态学变化。