“Pseudo PJRT”—Fast‐Slow AV Nodal Reentrant Tachycardia Presenting with Tachycardia‐Induced Cardiomyopathy

A 52‐year‐old woman presented with left ventricular (LV) dysfunction and incessant narrow complex tachycardia. Electrocardiogram and clinical picture were suggestive of a permanent form of junctional reciprocating tachycardia, but electrophysiology study showed the tachycardia to be a fast‐slow form...

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Bibliographic Details
Published in:Pacing and clinical electrophysiology 2013-01, Vol.36 (1), p.e4-e6
Main Authors: SELVARAJ, RAJA, ANANTHAKRISHNAPILLAI, AJITH, SADASIVAM, RAVISHANKAR, BALACHANDER, JAYARAMAN
Format: Article
Language:English
Subjects:
ablation
Cardiomyopathies - diagnosis
Cardiomyopathies - etiology
Cardiomyopathies - surgery
Diagnosis, Differential
Electrocardiography - methods
electrophysiology—clinical
Female
Humans
Middle Aged
SVT
Tachycardia, Atrioventricular Nodal Reentry - complications
Tachycardia, Atrioventricular Nodal Reentry - diagnosis
Tachycardia, Atrioventricular Nodal Reentry - surgery
Treatment Outcome
Ventricular Dysfunction, Left - diagnosis
Ventricular Dysfunction, Left - etiology
Ventricular Dysfunction, Left - surgery
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Summary:A 52‐year‐old woman presented with left ventricular (LV) dysfunction and incessant narrow complex tachycardia. Electrocardiogram and clinical picture were suggestive of a permanent form of junctional reciprocating tachycardia, but electrophysiology study showed the tachycardia to be a fast‐slow form of atrioventricular nodal reentrant tachycardia (AVNRT). Slow pathway ablation terminated the tachycardia and the LV dysfunction resolved completely at follow‐up. Fast‐slow AVNRT has not been reported to present in incessant form, and the mechanism in this patient was absent retrograde fast pathway conduction resulting in easy initiation and maintenance of tachycardia. (PACE 2013; 36:e4–e6)
ISSN:0147-8389
1540-8159
DOI:10.1111/j.1540-8159.2011.03210.x