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KMID : 1011920160170040210
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International Journal of Arrhythmia
2016 Volume.17 No. 4 p.210 ~ p.213
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Non Sinus Focal Atrial Tachycardia
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Kim Yong-Gyun
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Abstract
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Non sinus focal atrial tachycardia (AT) is an uncommon arrhythmia. Electrocardiograms (ECGs) can be used to diagnose the condition. ECGs can also be used to pinpoint the origin of the focal AT; however, the precise location is ultimately confirmed by electrophysiology. Automaticity, triggered activity, and microreentry are possible underlying mechanisms for focal AT. Pharmacological therapy is recommended for symptomatic patients. Radiofrequency catheter ablation is a viable alternative, especially in patients intolerant to drugs, or patients with drug-refractory focal AT. This review describes the epidemiology, clinical features, diagnosis, and mechanisms of focal AT, as well as possible therapeutic approaches for this condition.
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KEYWORD
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Atrial Ectopic Tachycardia, Diagnosis, Therapy
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