Unusual polymorphic ventricular tachycardia originating from the pulmonary artery

Dae In Lee; Sang Weon Park; Hyungdon Kook; Woohyeun Kim; Dong Hyeok Kim; Sunki Lee; Suk Kyu Oh; Young Hoon Kim

doi:10.4070/kcj.2013.43.2.119

Unusual polymorphic ventricular tachycardia originating from the pulmonary artery

Dae In Lee, Sang Weon Park, Hyungdon Kook, Woohyeun Kim, Dong Hyeok Kim, Sunki Lee, Suk Kyu Oh, Young Hoon Kim

Department of Cardiology

Research output: Contribution to journal › Article

5 Citations (Scopus)

Abstract

We report a case about a 27-year-old healthy young male who developed syncope during exercise, which was subsequently identified to be attributable to non-sustained polymorphic ventricular tachycardia (VT). Occurrence of polymorphic VT was neither related to a prolonged QT interval nor a fixed short coupling interval. Standard examinations including echocardiography, coronary angiography, isoproterenol infusion study, and cardiac MRI showed no structural heart disease. On the electrophysiology study, activation mapping revealed that a discrete potential preceded the premature ventricular complex (FVC) triggered polymorphic VT, which was recorded just above the pulmonary valve. After radiofrequency ablation at this area, FVC and polymorphic VT disappeared and did not recur after a 2 month follow up.

Original language	English
Pages (from-to)	119-122
Number of pages	4
Journal	Korean Circulation Journal
Volume	43
Issue number	2
DOIs	https://doi.org/10.4070/kcj.2013.43.2.119
Publication status	Published - 2013 Feb 1

Keywords

Pulmonary artery
Radiofrequency catheter ablation
Ventricular tachycardia

ASJC Scopus subject areas

Internal Medicine
Cardiology and Cardiovascular Medicine

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Lee, D. I., Park, S. W., Kook, H., Kim, W., Kim, D. H., Lee, S., Oh, S. K., & Kim, Y. H. (2013). Unusual polymorphic ventricular tachycardia originating from the pulmonary artery. Korean Circulation Journal, 43(2), 119-122. https://doi.org/10.4070/kcj.2013.43.2.119

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abstract = "We report a case about a 27-year-old healthy young male who developed syncope during exercise, which was subsequently identified to be attributable to non-sustained polymorphic ventricular tachycardia (VT). Occurrence of polymorphic VT was neither related to a prolonged QT interval nor a fixed short coupling interval. Standard examinations including echocardiography, coronary angiography, isoproterenol infusion study, and cardiac MRI showed no structural heart disease. On the electrophysiology study, activation mapping revealed that a discrete potential preceded the premature ventricular complex (FVC) triggered polymorphic VT, which was recorded just above the pulmonary valve. After radiofrequency ablation at this area, FVC and polymorphic VT disappeared and did not recur after a 2 month follow up.",

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AU - Park, Sang Weon

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AU - Kim, Woohyeun

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AU - Lee, Sunki

AU - Oh, Suk Kyu

AU - Kim, Young Hoon

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AB - We report a case about a 27-year-old healthy young male who developed syncope during exercise, which was subsequently identified to be attributable to non-sustained polymorphic ventricular tachycardia (VT). Occurrence of polymorphic VT was neither related to a prolonged QT interval nor a fixed short coupling interval. Standard examinations including echocardiography, coronary angiography, isoproterenol infusion study, and cardiac MRI showed no structural heart disease. On the electrophysiology study, activation mapping revealed that a discrete potential preceded the premature ventricular complex (FVC) triggered polymorphic VT, which was recorded just above the pulmonary valve. After radiofrequency ablation at this area, FVC and polymorphic VT disappeared and did not recur after a 2 month follow up.

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