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KMID : 1011920170180020116
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International Journal of Arrhythmia
2017 Volume.18 No. 2 p.116 ~ p.120
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Interrelated Atrioventricular Reentrant Tachycardia and Idiopathic Left Ventricular Tachycardia in a Patient with Manifested Bystander Accessory Pathway
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Lee Da-Hyon
Park Seung-Jung
On Young-Keun
Kim June-Soo
Park Kyoung-Min
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Abstract
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Double tachycardia is defined as the coexistence of supraventricular tachycardia (SVT) and ventricular tachycardia (VT). In clinical practice, incidentally encountered double tachycardia is difficult to diagnose during electrophysiology study without prior documentation of both tachycardias. SVT can be confused with VT because SVT sometimes show an aberrant conduction depending on heart rate. In the present case, a patient with Wolff-Parkinson-White syndrome exhibited atrioventricular reentrant tachycardia (AVRT) via a concealed bypass tract and idiopathic left ventricular tachycardia (ILVT), which were difficult to discriminate because of their similar cycle length and interrelationship.
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KEYWORD
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Atrioventricular Reentrant Tachycardia, Idiopathic Left Ventricular Tachycardia, Double Tachycardia
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