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缺血性室性心动过速消融期间的拖带。起搏后间期短于心动过速周期长度的原因是什么？

Entrainment during Ablation of Ischemic Ventricular Tachycardia. What is explanation for Post Pacing Interval shorter than the tachycardia cycle length?

作者信息

Bhargava Kartikeya, Tomar Hariraj Singh, Gupta Pankaj, Singh Balbir

机构信息

Division of Cardiac Electrophysiology and Pacing, Medanta Heart Institute, Medanta, The Medicity, Gurgaon, Delhi NCR, India.

出版信息

Indian Pacing Electrophysiol J. 2011 Nov;11(6):167-8. Epub 2011 Nov 15.

PMID:22090729
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3214613/
Abstract

Entrainment mapping of ischemic ventricular tachycardia at a site in the left ventricle where radiofrequency ablation was successful in terminating the tachycardia revealed a post-pacing interval shorter than the tachycardia cycle length. The reason for the same is explained in the current report.

摘要

在左心室中射频消融成功终止心动过速的部位对缺血性室性心动过速进行拖带标测，结果显示起搏后间期短于心动过速周期长度。本报告对此原因进行了解释。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f52/3214613/b4efc02b4a0a/ipej110167-01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f52/3214613/b4efc02b4a0a/ipej110167-01.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/9f52/3214613/b4efc02b4a0a/ipej110167-01.jpg

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本文引用的文献

1
Ablation of ventricular tachycardia in patients with structural heart disease.结构性心脏病患者室性心动过速的消融治疗
Pacing Clin Electrophysiol. 2008 Mar;31(3):358-74. doi: 10.1111/j.1540-8159.2008.00999.x.
2
Recognition of far-field electrograms during entrainment mapping of ventricular tachycardia.室性心动过速拖带标测期间远场电图的识别
J Am Coll Cardiol. 2003 Jul 2;42(1):110-5. doi: 10.1016/s0735-1097(03)00563-1.