vvi

Effect of VVI Pacemaker on the Variation of Ambulatory Blood Pressure

VVI型起搏器对动态血压变异性的影响

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

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

Effect of tension from VVI pacing lead on hemodynamics

VVI起搏导线张力对血流动力学的影响

Therefore , VVI technique shows broad prospects in the noninvasive assessment of mechanical properties of arterial injury .

因此，VVI技术在无创评估动脉损伤的力学特征方面显示出广阔的前景。

Based on VVI mode , it 's added with a mechanism of diastolic pressure change modulating pacing rate .

该起搏器以VVI模式为基础，增加舒张压的变化量对频率调节的机制。

Evaluation of Ventricular Function after VVI Pacing with Radionuclide Ventriculography

核素心室造影研究VVI型起搏器术后病人的心功能

Methods The clinical data of 8 cases undergoing LC under the use of vvI cardiac pacemaker were analysed .

方法对我科8例安装vvI型心脏起搏器后施行LC的临床资料进行分析。

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

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 for the Necessity and Feasibility of Pacemaker Upgrade from VVI to DDD

VVI起搏改DDD起搏必要性与可行性研究

Pacing and Sensing Function Testing of Implanted VVI Pacemaker by Intravenous Adenosine Triphosphate

ATP静注检测埋藏式VVI起搏器起搏按需功能

Long-term follow-up of VVI pacing and AAI pacing in sick sinus syndrome

VVI和AAI起搏治疗病窦综合征的远期随访

The acute hemodynamic effects of VVI , AAI and DDD pacing

VVI、AAI、DDD起搏下的急性血液动力学效应

Effect of VVI pacing on plasma brain natriuretic peptide level in patients with chronic atrial fibrillation and chronic heart failure

心脏起搏对慢性房颤并心力衰竭患者心脏功能的影响

Evaluate clinical uses of VVI to detect subclinical left ventricular systolic and diastolic function in LADA patients .

应用VVI技术探讨LADA患者亚临床左心收缩和舒张功能不全的临床价值。

The Relationship of VVI Pacing and Atrial Fibrillation

VVI起搏与房颤的关系

The results showed that RR-F curve could evaluate pacing function of VVI and AAI fast and conveniently .

结果表明：该曲线可以简捷评价VVI及AAI的起搏功能。

Objective : To evaluate inter-ventricular myocardial synchrony in normal subjects by velocity vector imaging ( VVI ) .

目的：应用速度向量成像（VVI）技术评价正常人左室各室壁心肌节段运动在时间上的协调性。

Conclusion : Amiodarone can suppress the incidence of atrial fibrillation obviously after VVI pacemaker implantation .

结论胺碘酮对植入VVI型起搏器患者心房颤动的发生有明显的抑制作用。

Conclusions SR measured via VVI is superior to LVEF in assessing left ventricular systolic function in patients with DCM .

结论VVI技术测量的心肌应变率对DCM患者左心室收缩功能的评价优于LVEF。

VVI technology is testing the carotid artery to the structure and function of good method is more conventional ultrasonic early detection of carotid artery elasticity change .

VVI技术是检测颈动脉结构和功能的良好方法，能较常规超声更早期发现颈动脉弹性的变化。

Methods : Forty-two patients with cardiac arrhythmia of slow type divided into two groups randomly after pacing impulse by VVI pacemaker .

方法42例植入VVI型起搏器的缓慢型心律失常患者起搏后，分成2组A组为植入VVI起搏器患者进行常规治疗，共21例；

The effects of VVI and AAI pacing modes on paroxysmal atrial tachyarrhythmias of sick sinus syndrome

VVI与AAI起搏对病态窦房结综合征合并阵发性房性快速心律失常的影响

VVI is a useful modality to evaluate the systolic synchrony of the LV in patients with CHF .

VVI技术可准确评价CHF患者左室心肌收缩的同步性。

Objective Using the new echocardiographic technology-velocity vector imaging ( VVI ) to assess the segmental systolic function in patients with old myocardial infarction .

目的利用新的超声速度向量成像（VVI）技术评价陈旧性心肌梗死患者节段性收缩功能。

The Effects of AAI Pacing on Hemodynamics , Atrial Natriuretic Peptide and Renin-Angiotensin System : A Comparative Study With VVI Pacing

AAI与VVI起搏对血液动力学及心钠素、肾素&血管紧张素系统影响的研究

Conclusion : Cardiac permanent pacing can improve heart function of patients with chronic arrhythmia , DDD and AAI modes were better than VVI mode .

结论：心脏永久起搏能有效改善缓慢心律失常患者的心功能，DDD及AAI模式优于VVI模式。

Changes and Clinical Significance of Plasma Catecholamine , Renin-aldosterone Axis and Atrial Natriuretic Peptide in DDD or VVI Pacing

DDD及VVI起搏时血浆儿茶酚胺、肾素、血管紧张素、醛固酮、心钠素水平变化及临床意义

Treatment goal had been achieved by implanting VVI pacemakers ; Quality of life had been improved by implanting DDD physiological pacemakers .

置心室按需型起搏器已能达到治疗目的，尤以双腔起搏器（DDD）之类的生理性起搏器者生活质量明显提高。

Conclusions : To VVI patients with acute myocardial infarction , the diagnosis is difficult by ECG , and dynamic observation serum myocardial enzyme concentration is very helpful .

结论：对VVI起搏伴有急性心肌梗死患者而心电图诊断困难时，动态的心肌酶含量改变可帮助诊断。

Conclusions : TTE is very safe , easy , feasible and economical in guiding atrioventricular node ablation and VVI pacemaker implantation .

结论：经胸切面超声引导射频消融房室结安置VVI起搏安全、简便、可行、经济。