Transient changes in QRS morphology during a narrow complex tachycardia: What is the mechanism?
- Kara, Meryem
- Özcan Çetin, Elif Hande
- Korkmaz, Ahmet
- Özeke, Özcan
- Çay, Serkan
- Özcan, Fırat
- Aras, Dursun
- Topaloğlu, Serkan
Publication date
January 2022
DOI Publisher
Wiley Journal
Journal of Cardiovascular Electrophysiology Language
EnglishAbstract
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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