Calcium-Triggered Short-Coupled Polymorphous Ventricular Tachycardia

被引：2
|
作者：
Yeh, Doreen Defaria [1 ]
Lu, Jonathan T. [1 ]
Kim, Albert [1 ]
Yeh, Robert W. [1 ]
Scheinman, Melvin M. [1 ]
机构：
[1] Univ Calif San Francisco, Div Cardiol, Electrophysiol Serv, Dept Med Electrophysiol, San Francisco, CA 94143 USA
来源：
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY | 2010年 / 33卷 / 01期
关键词：
electrophysiology; clinical; VT; mapping; TORSADE-DE-POINTES; FIBRILLATION; ABLATION; VARIANT; ENTITY;
D O I：
10.1111/j.1540-8159.2009.02537.x
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
We describe a case of an 18-year-old man presenting with syncope found to have short-coupled premature ventricular complexes (PVCs) with subsequent nonsustained polymorphous ventricular tachycardia (PVT). Electrophysiology testing revealed premature PVCs and PVT provoked by calcium but not isoproterenol. It was noted that the earliest triggered event appeared to arise from ventricular muscle with subsequent involvement of the fascicles and these areas were ablated. The potential mechanisms for calcium triggering of these arrhythmias are discussed. (PACE 2010; 33:117-122).
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页码：117 / 122
页数：6
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