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KMID : 1011920090100020038
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International Journal of Arrhythmia
2009 Volume.10 No. 2 p.38 ~ p.42
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Catheter ablation of atypical atrial flutter using three dimensional mapping system
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Lim Hong-Euy
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Abstract
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The right atrium (RA) has been described as being responsible for the maintenance of typical atrial flutter (AFL), atypical AFL, atrial fibrillation. Those patients were characterized by a widely distributed low-voltage zone (LVZ) in the RA with or without atrial dilatation. Those LVZs in the RA were responsible for the slow conduction and critical isthmus conduction of AFL. We reported a patient without a history of previous cardiac surgery or structural heart disease, who presented with typical and atypical AFL. Atypical AFL was eliminated by radiofrequency catheter ablation using 3-dimensional mapping system to define the LVZs.
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KEYWORD
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atypical atrial flutter, catheter ablation, right atrium
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