Unusual source of tachycardia in an adolescentReport as inadecuate

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International Journal of Emergency Medicine

, 4:9

First Online: 16 March 2011Received: 19 April 2010Accepted: 16 March 2011


Mahaim fiber tachycardia is an uncommon cause of palpitations among the pediatric population. This case report describes an adolescent female who presented with recurrent episodes of tachycardia with chest pain and dizziness. Her ECG showed tachycardia with wide QRS complexes and left bundle branch block pattern. Repeat ECG after adenosine treatment revealed sinus rhythm with persistence of the left bundle branch block pattern. Metoprolol was started however she continued to have episodes of sustained tachycardia.

Electrophysiologic study then confirmed the diagnosis of Mahaim fiber tachycardia. Treatment was successful with mapping of the accessory pathways followed by radiofrequency ablation.

Electronic supplementary materialThe online version of this article doi:10.1186-1865-1380-4-9 contains supplementary material, which is available to authorized users.

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Author: Marvin B Mata - Brian T Kloss - Jennifer A Campoli - Karen Teelin

Source: https://link.springer.com/article/10.1186/1865-1380-4-9

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