房室结与心房肌之间有多条路径相连。
目的探讨胎儿房室结内的细胞类型和大小。
Objective To investigate cell type and size of fetus atrioventricular node.
探讨房室结慢径路消融有效放电过程心电监测的意义。
Objective to explore the significance of electrocardiogram monitoring during the effective application of radiofrequency energy to slow atrioventricular (AV) nodal pathway ablation.
结论三磷酸腺苷试验诊断房室结双径路有较高的价值。
Conclusion ATP test has a higher value for diagnosing DAVNP.
结果：窦房结和房室结内的细胞主要为P细胞和T细胞。
Results: The SAN and AVN chiefly consisted of P cells and t 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。
Results The cell type of atrioventricular node in fetus hearts were composed of light, dark and transitional cells.
房室结双径传导，是房室结内折返性心动过速的电生理基础。
Double tract conduction is the physiological basis of intra-atrial ventricular reentrant tachycardia.
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。
Conclusion the results suggest that dle effect of parasympathetic nerve activity on atrioventricular node function is larger than that of sinoatrial node.
近来，双室起搏表现出比房室结消融后的右室起搏更佳的效果。
Biventricular pacing has recently been shown to be better than right ventricular pacing after AV node ablation.
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。
It is characterized by sinoatrial node dysfunction and often includes atrioventricular node disease and bundle branch block.
窦房结和房室结周围神经节中的部分神经细胞也呈免疫阳性反应。
Some neural cells in ganglions surrounding sino atrial node and atrio ventricular node were also positive to neurofilament.
房室结和传导系统的其他部分可以在异常情况下成为心脏起搏器。
The AV node and other portions of the conduction system can in abnormal situations become the cardiac pacemaker.
结论心房起搏频率的改变可影响房室结的有效不应期和传导功能。
Conclusion the atrial pacing rate of change can affect the AV node effective refractory period and conduction in refractory period.
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。
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.
本文对13例人心标本房室结和房室束的形态及位置，作了连续切片观察。
The morphology and position of the AV node and AV bundle were observed in 13 human hearts with serial sections.
加速性和疲劳性诱导的房室结传导时间的延长和缩短与FRPN密切相关。
Third, atrioventricular nodal conduction time of fatigue—induced and facilitation—induced were relating to FRPN.
结论绝大多数在体房室结固有逆传功能明显低于房室顺传，或呈单向传导。
Conclusion Intrinsic atrioventricular conduction ability is poor, representing unidirectional conduction in majority of cases.
房室结可明确区分出四种细胞：P细胞、T细胞、浦氏细胞及普通心肌细胞。
The AVN composed of four types cells, P cell, T cell, Purkinje cell and normal cardiac working cell.
心房、房室结及心室相对不应期、功能不应期及有效不应期(erp)延长。
The relative refractory period, functional refractory period and effective refractory period (ERP) of right atrial, atrioventricular node and right ventricle were increased.
目的评价房室结消融加永久起搏器植入治疗难治性房扑房颤的安全性和有效性。
Objective to evaluate the safety and efficacy of the procedure with atrioventricular node ablation and pacemaker implantation in patients with refractory atrial flutter and atrial fibrillation.
结论小鼠房室结的P细胞和T细胞随年龄的增长而增大，老年期接近乳期大小。
Conclusion P cells and T cells are enlargement in size with aged and return to size of baby mouse in old period.
该结果证实房室结及房室束区副交感神经纤维来源于房间隔内的胆碱能神经元。
The present results suggest that the parasympathetic fibers in the atrioventricular node and the bundle of His originate from the cholinergic neurons in the interatrial septum.
进行慢径路改良，观察手术前后房室结的前传有效不应期和文氏阻滞点的改变。
The anterograde effective refractory period and Wenckebach block point were measured before and after ablation.
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。
The ultra-structures and the connection patterns of the conduction relevant cells in different layers of the rabbit atrioventricular node were investigated.
探讨房室旁道(简称房道)和房室结双径引起的折返性心动过速的初次发病年龄。
The initial onset age of reentry tachycardia induced by atrioventricular accessory pathway and dual atrioventricular nodal pathways was investigated.
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。
Objective: To study the morphological changes of atrioventricular junction area (atrioventricular node and atrioventricular bundle) on the myocardial ischemia model of rat.
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。
Method We have analysed the 10 patients with the atrioventricular node injury related to RFCA, and indicated the effective method of prevention and treatment.
目的：观察心肌损伤对房室结区脱氢酶的影响，探讨心肌损伤引起心律失常的机制。
Objective: to observe the effect of experimental myocardial lesion on dehydrogenase in rat atrioventricular node area and to discuss the mechanism of arrhythmia induced by myocardial lesion.
目的：为探讨心传导系房室结区双（多）径路传导、折返等复杂电生理的形态学基础。
Ohjective: To study the morphological aspects corresponding to the complex electrophysiological signs of dual (multi) -pathway and reentry of the atrioventricular node (AVN) area.
目的：为探讨心传导系房室结区双（多）径路传导、折返等复杂电生理的形态学基础。
Ohjective: To study the morphological aspects corresponding to the complex electrophysiological signs of dual (multi) -pathway and reentry of the atrioventricular node (AVN) area.
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