AI Article Synopsis
- A 44-year-old male experienced symptomatic supraventricular tachycardia (SVT) with a wide QRS complex and underwent an electrophysiological study to diagnose the condition.
- The SVT was identified as antidromic atrioventricular reentrant tachycardia (AVRT) involving an accessory pathway, with a noticeable change in QRS morphology during the episode before it resolved spontaneously.
- Successful mapping and radiofrequency treatment eliminated the accessory pathway, making the tachycardia episodes unable to occur again, marking a unique case in clinical findings.
Article Abstract
We report a case of a 44-year-old male who underwent an electrophysiological study for symptomatic supraventricular tachycardia (SVT) with wide QRS complex. The SVT was diagnosed as an antidromic atrioventricular reentrant tachycardia (AVRT) via antegrade conduction of left-sided accessory pathway (AP). However, the QRS morphology changed during the SVT, and then the SVT was terminated spontaneously. The mapping of AP was performed during sinus rhythm, and the radiofrequency application successfully eliminated the AP, which rendered tachycardias non-inducible. This was a rare case of antidromic AVRT during which the QRS morphology changed.
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| http://dx.doi.org/10.1111/pace.15000 | DOI Listing |
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