| Effects of right atrial and ventricular DDD pacing on cardiac function and ventricular contraction synchrony |
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| 作者姓名： | 支力大 华伟 张澍 史蓉芳 王方正 陈新 |
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| 作者单位： | Division of Clinical Electrophysiology，Division of Clinical Electrophysiology，Division of Clinical Electrophysiology，Department of Nuclear Medicine，Division of Clinical Electrophysiology，Division of Clinical Electrophysiology Fuwai Hospital，Chinese Academy of Medical Sciences and Peking Union Medical College，Beijing 100037，China，now is working at Emergency Department，China-Japan Friendship Hospital，Beijing 100029，China |
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| 摘 要： | Traditionally ,theventricularpacingelectrodeispositionedattherightventricularapex Thislocationprovidestheadvantagesofhighaccessibility ,secureandfixedpositioning ,andlowcapturethresholds However,apicalpacingaltersthenormalventricularactivationsequence Clinicalandexperimentalstudieshaveshownthat,comparedwithatrialpacing ,atrioventricular (AV)sequentialapicalpacinghasanegativeeffectoncardiacperformancedespiteatrialcontributiontotheventricles 1 3 Therearefewreportsontheeffectsofdualchamber (DD…
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| 关 键 词： | 双腔起搏 左心功能 心率 放射血管造影术 |
Effects of right atrial and ventricular DDD pacing on cardiac function and ventricular contraction synchrony |
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| Abstract: | |
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| Keywords: | equilibrium radionuclide angiography phase analysis cardiac pacing cardiac function |
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