房室传导

一位男性凤心病患者发生了心房扑动，心电图证示房扑，F波率为300次/min，呈2：1房室传导。

A 52-year-old male patient with rheumatic heart disease developed atrial flutter with ECG revealing atrial flutter and an atrial rate of 300 / min , 2:1 to 6:1 atrioventricular conduction .

目的探讨房室传导间期（A-V）的自动测量，频谱特点及心率对其影响。

Objective To study the automatic measure , frequency spectrum character of atrioventricular conduction interval ( A-V ) and the influence of heart rate .

心电图显示1度房室传导阻滞和ST段抬高。

ECG showed first degree atrioventricular block and ST segment elevations .

1例患者术后第5天出现间歇性III度房室传导阻滞，经治疗3d后消失；

One patient had intermittent complete heart block on 5 days after procedure and disappeared after 3 days ;

心电图有异常改变的占20%，主要是ST段下降及房室传导阻滞等最多见。

Electrocardiogram abnormalities mainly S-T depression and auriculoventricular block occurred in 20 % of the patients .

结果15例短PR患者能保持1：1房室传导之最快S1S1频率，均≥200次min。

Results 15 cases of short PR interval 1:1 atrioventricular nodal conduction at the pacing rate was > 200 beats / min.

结果术后死亡1例，死亡率56%。术后并发低心排血量综合征3例，III度房室传导阻滞和心包积液各1例，经治疗均痊愈。

Postoperative complications included low cardiac output in 3 cases , pericardial effusion in 1 and IIIo AB block in 1 case .

家族性Q-T延长综合征合并Ⅱ°Ⅱ型房室传导阻滞1例报告

Familial Q-T prolongation syndrome with Mobitz - ⅱ type ⅱ° A-V block

结果6例患者分别于术后2d和1周内出现Ⅱ度Ⅰ型房室传导阻滞和持续Ⅲ度房室传导阻滞，对照组治疗后不能完全恢复正常；

Results ⅱ°ⅰ atrioventricular block and ⅲ° atrioventricular block were observed from day 2 to day 7 in control group and they could not recover completely after treatment .

无房室传导阻滞（AVB）并发症；

No complication of atrioventricular block ( AVB ) occured .

RFCA治疗AVJRT并发完全性房室传导阻滞研究进展

Advance in Research of Complete AV Block Triggered by RFCA in Treatment of AV JRT

Ⅲ度房室传导阻滞（Ⅲ度AVB）发生率11.4%。

Rate of occurring ⅲ° atrial ventricle block ( A VB ) is 11.4 % .

方法对30例患者行食管心房调搏检查，测定三个不同心房BCL下心房、房室传导系统功能和有效不应期，以及静脉注射普罗帕酮后起搏周长对不应期的影响。

Methods Refractory periods of atrioventricular conduction system were determinated at three cycle lengths in 30 patients with supraventricular tachycardiac history by transesophageal atrial pacing .

1例发生一过性Ⅲ°房室传导阻滞，2h后恢复正常，2例发生完全性右束支传导阻滞。

ⅲ° atrioventricular block and recovered in 2 h in 1 case , 2 patients occurrenced permanent right bundle branch block in 2 cases .

方法对39例PR间期延长（研究组）和141例PR间期正常（对照组）患儿房室传导功能进行了经食道心房调搏研究。

Methods The transesophageal pacing was performed in 39 children with prolonged PR interval ( study group ) and 141 children with normal PR interval ( control group ) .

先天性心脏传导阻滞（CHB）是一种完全性房室传导阻滞，这种疾病严重危害胎儿健康。

Congenital heart block ( CHB ) is a complete atrioventricular block and this disease seriously endangers the health of children .

结论完全性房室传导阻滞患者发生TdP的独立危险因素是低血钾浓度、长QT间期和女性。

Conclusion Risk factors of TdP in patients with complete atrial ventricular block were female , lower potassium concentration and longer QT interval .

目的研究参附注射液预防房室传导阻滞（AVB）的作用。

Objective To investigate prevention of shenfu injection against auriculo - ventricular block ( AVB ) .

目的探讨非睡眠状态间歇出现的房室传导阻滞（AVB）的原因与临床意义。

Objective To study the causes and significance of atrial-ventricular block ( AVB ) during non-sleeping .

安置DDD起搏器40例，28例为心房变时性反应正常的完全性房室传导阻滞。

40 patients received DDD pacemakers , 28 of them were complete A-V conduction block and normal atrial chronotropic response .

结果提示AVN的VIP能神经可能在房室传导等心功能调节中起重要作用。

The results suggest that endogenous VIP may play an important role in the regulation of heart function involved the atrioventricular conduction .

[结论]Ⅲ度房室传导阻滞且窦房结功能正常的病人，DDD模式是较佳的起搏模式；

Conclusion : For third-degree atrioventricular block patients with normal sinus node function , DDD mode is a better pacing mode .

在冷冻过程中发现暂时性房室传导阻滞（AVB）8次（CM时3次，CA时5次），停止冷冻作用后房室传导功能迅速恢复。

Transient atrioventricular block ( AV B ) occurred during 8 cryo-applications ( 3 CM , 5 CA ) with immediate return of normal AV conduction upon cessation of application .

结论ChEI类神经性毒剂中毒诱发循环衰竭时，可出现各种心律失常，其中以房室传导阻滞最常见，心电图常发生T波高耸和P波增幅的特征性变化。

Conclusion In circulatory failure dogs induced by nerve agents , AVB was the most common cardiac arrhythmia , and ECG was characterized by higher T wave and P wave .

在心脏病领域，本研究报道病例主要为诊断为特发性扩张型心肌病（DCM）合并房室传导阻滞（AVB）的患者。

In the cardiology setting , patients diagnosed with idiopathic dilated cardiomyopathy ( DCM ) plus atrioventricular block ( AV constitute the majority of reported cases .

分析结果表明，Mahaim纤维是可致猝死的房室传导旁路。

Mahaim 's fiber is a A V by path which may lead to fatal outcome .

结论对缓慢性心律失常需行心脏永久起搏患者如同时合并心功能不全，宜首选生理性起搏，如房室传导功能正常则以AAI（R）起搏方式最佳。

Conclusion Physiologic pacing should firstly be chosen in patients with bradycardia and congestive heart failure , and AAI ( R ) is the best pacing mode in patients with normal atrioventricular conduction function .

方法将10例重症心肌炎伴Ⅲ度房室传导阻滞（简称Ⅲ°AVB）及时安装心脏临时起搏器抢救成功的病例作分析。

Methods Temporary heart pacing was used for treatment of 10 cases of serious myocarditis with ⅲ° Atria ventricular block ( AVB ) .

目的探讨高度房室传导阻滞（AVB）在急性下壁心肌梗死患者预后中的意义。

Objective To assess the incidence and prognostic significance of advanced atrioventricular block ( AVB ) complicating inferior acute myocardial infarction ( AMI ) .

11例患者术中或术后出现一过性三度房室传导阻滞（AVB），1例需安装永久性起搏器。

Eleven patients had transitory ⅲ° atrio-ventricular block ( AVB ) during and after operation , in which 1 patient was implanted permanent pacemaker .