Unusual source of tachycardia in an adolescent

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...

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Bibliographic Details
Published inInternational journal of emergency medicine Vol. 4; no. 1; p. 9
Main Authors Mata, Marvin B, Kloss, Brian T, Campoli, Jennifer A, Teelin, Karen
Format Journal Article
LanguageEnglish
Published Berlin/Heidelberg Springer Berlin Heidelberg 16.03.2011
Springer Nature B.V
BioMed Central Ltd
Springer
Subjects
Angiology
Cardiology
Case Report
Emergency Medicine
Internal Medicine
Medicine
Medicine & Public Health
Pediatrics
Partial Anomalous Pulmonary Venous Return
Wide Complex Tachycardia
Accessory Pathway
Wolff Parkinson White Syndrome
Left Bundle Branch Block
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Summary: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.
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ISSN:1865-1380
1865-1380
DOI:10.1186/1865-1380-4-9