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Case Report
 
Arrhythmogenic right ventricular dysplasia masquerading as right ventricular outflow tract tachycardia
Daniel Pop-Mandru1, Gabriel Cismaru2, Dana Pop3, Dumitru Zdrenghea4
1MD, Department of Cardiology, Rehabilitation Hospital, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, ROMANIA.
2MD, Electrophysiological laboratory, Department of Cardiology, Rehabilitation Hospital, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, ROMANIA.
3MD, PhD, Head of Didactic activity, Department of Cardiology, Rehabilitation Hospital, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, ROMANIA.
4MD, PhD, Head of department, Department of Cardiology, Rehabilitation Hospital, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania.

doi:10.5348/ijcri-201454-CI-10011

Address correspondence to:
Gabriel Cismaru
Cardiology Department
Rehabilitation Hospital No 46-50 Viilor Street
Cluj-Napoca Cluj
Romania 400347
Phone: (40)264 207021
Fax: (40)264453131
Email: gabi_cismaru@yahoo.com

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How to cite this article
Pop-Mandru D, Cismaru G, Pop D, Zdrenghea D. Arrhythmogenic right ventricular dysplasia masquerading as right ventricular outflow tract tachycardia. International Journal of Case Reports and Images 2014;5(4):314–319.


Abstract
Introduction: Ventricular tachycardia is a frequent complication in patients affected by arrhythmogenic right ventricular dysplasia. The disease is characterized by malignant ventricular arrhythmias with poor outcome, right ventricular dilation and replacement of the myocardium with fatty and fibrous tissue. On the other hand, right ventricular outflow tract tachycardia does not appear to have any significant effect on cardiac mortality as it arises in the absence of any structural heart disease.
Case Report: Herein, we discussed a 62-year-old female patient with ventricular tachycardia that suggested right ventricular outflow tract tachycardia. Based on echocardiography, electrophysiological study and magnetic resonance imaging the final diagnosis was arrhythmogenic right ventricular dysplasia. During electrophysiological study two ventricular tachycardias were induced, one hemodynamically stable and one with hemodynamic deterioration. The patient received an implantable cardioverter-defibrillator for prevention of sudden cardiac death.
Conclusion: Electrophysiological study in combination with other diagnostic tools such as magnetic resonance imaging, echocardiography and 12-lead electrocardiography is useful for the differential diagnosis between arrhythmogenic right ventricular dysplasia and right ventricular outflow tract tachycardia and contributes to decision of implantable cardioverter defibrillators implantation.

Keywords: Ventricular tachycardia, Electrophysiological study, Arrhythmogenic right ventricular dysplasia, Implantable cardiac defibrillator (ICD)

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Author Contributions
Daniel Pop-Mandru – Substantial contributions to conception and design, Acquisition of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Gabriel Cismaru – Substantial contributions to conception and design, Acquisition of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Dana Pop – Substantial contributions to conception and design, Acquisition of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
Dumitru Zdrenghea – Substantial contributions to conception and design, Acquisition of data, Drafting the article, Revising it critically for important intellectual content, Final approval of the version to be published
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The corresponding author is the guarantor of submission.
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Conflict of interest
Authors declare no conflict of interest.
Copyright
© Daniel Pop-Mandru et al. 2014; This article is distributed the terms of Creative Commons Attribution License which permits unrestricted use, distribution and reproduction in any means provided the original authors and original publisher are properly credited. (Please see Copyright Policy for more information.)