Objective To investigate ventriculoatrial conduction ( VAC) by dual or multiple atrioventricular nodal ( AVN) pathways and its special electrophysiological phenomena and mechanisms.

Objective To assess the atrioventricular node ( AVN) function in patients with atrial fibrillation ( AF) associated with long RR interval after cardioversion.

目的评价心房颤动（房颤）伴长RR间期患者电复律后房室结功能，探讨房颤伴二度房室阻滞的诊断标准。

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Conclusion: Through clinical research we regard that there are significant difference between conservative treatment and surgical treatment in the predilection sites about the AVN of femur head.

结论：经过临床研究分析，保守治疗后与DDH手术后出现头坏死在发病部位上存在差异。

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From the posterior part to the anterior part of the AVN, the numerical density, the volume density, the surface density of P cells gradually increased.

AVN由后向前，P细胞的数密度、体积密度及表面积密度增加。

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From the posterior part to the anterior part of the AVN, the nucleus dimension and the nucleocytoplasmic ratio of P cells gradually decreased.

AVN由后向前，P细胞的核逐渐变小，核浆比下降。

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Results The AVN function was normal in sinus rhythm in 19 cases, and one patient had first degree atrioventricular block ( AVB).

结果除1例为一度房室阻滞外，其余19例房室结功能均正常。

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Analysis of Stress on Proximal End of Femora of Chinese After femoral head replacement operation Geometric study of proximal femur for the Chinese AVN population

国人股骨头置换术后股骨近端测试应力分析中国人股骨头缺血性坏死股骨近端的形态研究

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The difference of P cells may serve as morphological basics for of the latent pacing and the conduction delay of AVN.

P细胞的差异及空间分布的不同可能与潜在起搏的部位及传导速度有关。

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The VA interval during tachycardia was significantly longer in group AP than in group AVN ( P < 0.001).

心动过速时VA间期旁道组明显长于房室结组，两者相比VASVT差异显著（P<0001）；

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Objective: To study the cytological and stereological features of P cell in the different parts of the AVN in rat heart.

目的：探讨大鼠心脏房室结（AVN）各部P细胞的细胞学和体视学的特征。

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Drilling Holes Treatment of Avascular Necrosis of Femoral Head ( AVN) through Hip Arthroscopy

髋关节镜下钻孔减压治疗早期股骨头无菌坏死的初步报告

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The collagen fibres in the AVN of guinea-pigs mainly include Type I and III.

豚鼠房室结内胶原纤维主要有I型和111型。随着年龄的增加，胶原纤维总量和比例增高以I型为主。

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Transient atrioventricular block was induced during slow pathway ablation in 3 patients with AVN double pathways.

3例房室结双径路患者消融慢径路时出现一过性房室阻滞。

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On the basis of these ultrastiuctural features, the function of AVN is discussed.

根据结内细胞的亚微结构特征，讨论了房室结的生理功能。

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Conclusion: ① From the posterior part to the anterior part of AVN, P cells were in different developing states.

结论：①AVN由后向前，P细胞的分化逐渐成熟。

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Adult avascular necrosis ( AVN) is a kind of bone necrosis.

成人股骨头缺血性坏死（AVN）是骨坏死的一种。

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The AVN linked the atrial muscle in several routes.

房室结与心房肌之间有多条路径相连。

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Conclusion CT examination is clinically valuable in diagnosis of the early and the late AVN.

结论CT检查对早期AVN及晚期AVN有一定临床诊断价值。

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Comparative study for P cell in different parts of the atrioventricular node ( avn) in rat heart

大鼠房室结各部P细胞的比较

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Atrioventricular Node, AVN; Three patients has continuous atrioventricular nodal function curve.

AVN显示细胞减少伴纤维化。3例患者房室结功能曲线呈连续性；

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Objective To explore a better therapy for adult vocal nodules ( AVN).

目的探寻治疗成人声带小结的理想方法。

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