Narrow QRS Tachycardia with Transition: What Is the Mechanism?

被引：4
|
作者：
Nair, Krishna Kumar Mohanan [1 ]
Namboodiri, Narayanan [1 ]
Banavalikar, Bharatraj [1 ]
Inamdar, Sonali [1 ]
Valaparambil, Ajitkumar [1 ]
Thajudeen, Anees [1 ]
Tharakan, Jaganmohan [1 ]
机构：
[1] Sree Chitra Tirunal Inst Med Sci & Technol, Dept Cardiol, Thiruvananthapuram 695011, Kerala, India
来源：
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY | 2016年 / 39卷 / 09期
关键词：
AV nodal reentry; AV reentry; transition;
D O I：
10.1111/pace.12902
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
A 50-year-old woman underwent radiofrequency catheter ablation of narrow QRS tachycardia that was terminated with intravenous adenosine. Twelve-lead electrocardiogram was normal during sinus rhythm. The electrophysiological study showed normal atriohisian and hisioventricular intervals during sinus rhythm. Atrial burst pacing reproducibly induced two narrow QRS tachycardias. Figure 1 shows spontaneous switch of tachycardia 1 to tachycardia 2. What are the likely mechanisms of the tachycardia and the transition?
引用
收藏
页码：1016 / 1017
页数：2
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