Transient changes in QRS morphology during a narrow complex tachycardia: What is the mechanism?

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Date

2022

Author

Kara, Meryem
Özcan Çetin, Elif Hande
Korkmaz, Ahmet
Özeke, Özcan
Çay, Serkan
Özcan, Fırat
Aras, Dursun
Topaloğlu, Serkan

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Kara, M., Özcan Çetin, E. H., Korkmaz, A., Özeke, Ö., Çay, S., Özcan, F. ... Topaloğlu, S. (2022). Transient changes in QRS morphology during a narrow complex tachycardia: What is the mechanism? Journal of Cardiovascular Electrophysiology, 33(6), 1320-1321. https://doi.org/10.1111/jce.15523

Abstract

A22‐year‐old man with recurrent episodes of tachycardia inthe absence of structural heart disease underwent an electro-physiological evaluation. A narrow complex tachycardia (NCT)was induced by programmed by ventricular pacing. A transientchange in QRS morphology and H‐V interval in the middle of thetracing was noted during ongoing tachycardia (Figure1). What arethepossiblemechanismsoftachycardia and changes in QRS morphology?

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Q3

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Q1

Source

Journal of Cardiovascular Electrophysiology

Volume

33

Issue

6

URI

https://doi.org/10.1111/jce.15523
https://hdl.handle.net/20.500.12511/10091

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