房室

房室间隔缺损的MRI诊断

Diagnosis of atrioventricular septal defect by MR imaging

室间隔的损伤范围大于右侧房室交界区（P＜0.05）；

And the lesion dimensions of interventricular septum was larger than that of right side of AV junction ( p < 0 . 05 ) .

结果：在MRI上，18例均表现为正常房室间隔结构消失；

Results : On MR imaging , the normal components of atrioventricular septum disappeared in all 18 cases ;

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 .

急性下壁心肌梗塞（AMI）并发房室阻滞

Acute inferior myocardial infarction complicated by atrioventricular block

根据QT间期优化双腔心脏起搏器房室延迟的探讨

Optimal atrio-ventricular delay setting determined by QT interval measurement in patients with dual-chamber pacemakers

心电图记录到单相电震4只猪发生ST段压低或ST段抬高和2只房室阻滞；

ST-T segment changed in electrocardiogram in 4 pigs and blockade appeared between ventricle and auricle in 2 pigs after monophasic shock .

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 .

DDD起搏最佳房室延迟的设置及血流动力学评价

The setting and evaluation of optimal AV delay in DDD pacemaker

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 .

III度房室阻滞患者VVI起搏时运动耐力和心力储备的研究

The Research of Exercise Endurance and Cardiac Reserve in Patients With Complete Atrioventricular Block Treated With VVI Pacing

方法：采用Laplace变换方法对一次性给药的经典房室模型的辨识问题进行系统讨论。

METHODS : Problems of the identification of classical compartment models in single administration were systematically discussed by Laplace transformation method .

结论隐匿性房室旁路可根据心动过速时的体表心电图P波的方向及形态作出初步诊断，结合食管与V1导联同步心电图以及食管调搏结果可基本确定诊断。

Conclusion Concealed atrioventricular pathway can be determined by overview of P wave in surface electrocardiogram , esophagus and V1 synchronization electrocardiogram and esophageal pulsation modulation .

小影像Koch三角及其房室结射频消融应注意的问题

The Cautions of Radiofrequency Current Ablation of Atrioventricular Node for Patients With Small Imaging Koch Triangle

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 .

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 .

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）；

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

基于传统低阶线性房室药代动力学模型的TCI，可以用解析方法求解所需的给药曲线。

The dose regimen of TCI based on traditional compartmental model could be solved analytically .

采用两种方法对142例房室结折返性心动过速（AVNRT）患者进行房室结改良。

Atrioventricular nodal modifications were performed in142 patients with atrioventricular nodal reentrant tachycardia ( AVNRT ) .

结论：对于老年非器质性心脏病PAT病人，与普通右房室双腔起搏相比，双房右室三腔起搏具有明显的抗心律失常效果，能减少服用AAA的种类。

Conclusion : Tri-chamber pacing could significantly decreases the frequency of PAT and the combination of antiarrhythmic agents in comparison with dual-chamber pacing .

目的探讨索他洛尔在房室旁道射频消融（RFCA）术中的应用。

Objective To explore the application of Sotalol on atrioventricular accessory pathway in the radiofrequency catheter albation .

房室结双径路、间隔旁道及左侧旁道HF较术前有显著性下降（P<0.05）。

There was significant decrease in HF in AVNRT ( atrioventricular node reentry tachycardia ) group , septum and left accessory pathway group ( P < 0.05 ) .

双腔起搏器不同房室延迟间期及VVI模式起搏时心功能的变化

Cardiac function changes during different atrioventricular delay of dual chamber pacemaker and VVI mode pacemaker

消融后房室结双径传导消失，不再诱发AVNRT为手术终点。

The end point of the approach was to eliminate AVNRT and dual atrioventricular node pathway conduction .

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 % .

结上部和前部、房室束、右束支内的细胞在形态上介于Purkinje细胞和心肌之间，未见典型的P细胞。

THe cell feature in upper and anterior AV node , His bundle and right branch is between Purkinje and myocardial cell . Typical P cells can not be seen .

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 ) .

结论双心室同步房室顺序起搏可改善心力衰竭患者的临床症状，增加LVEF，改善心功能。

Conclusion Biventricular synchronized pacing can improve symptoms of heart failure and increase LVEF in patients with severe left ventricular dysfunction .

结果：左室前壁损伤范围大于左室乳头肌、主动脉瓣和二尖瓣环下以及右侧房室交界区（P＜0.05）；

Results : The lesion dimensions of anterior wall of left ventricle was larger than that of musculi papillaris sinister , tissues under mitral and aortic annulus , right side of atrioventricular ( AV ) junction ( p < 0 . 05 ) ;