Article: A Hidden Recess of Atrial Tachycardia.
The Journal of innovations in cardiac rhythm management
2021 Volume 12, Issue 1, Page(s) 4372–4374
Abstract: We present a case of regular narrow complex tachycardia in a 59-year-old woman with frequent paroxysmal palpitations, a normal electrocardiogram (ECG) in sinus rhythm, and a structurally normal heart. During electrophysiology study, a long R-P ... ...
Abstract | We present a case of regular narrow complex tachycardia in a 59-year-old woman with frequent paroxysmal palpitations, a normal electrocardiogram (ECG) in sinus rhythm, and a structurally normal heart. During electrophysiology study, a long R-P tachycardia was present at baseline, with P-waves superimposed on the T-waves and appearing to be positive in the inferior leads. Intracardiac recordings showed the atrial activation to be early in the para-Hisian region. The diagnosis of atrial tachycardia was confirmed by ventricular overdrive pacing, which showed ventriculoatrial dissociation without perturbing the atrial rate. The precise P-wave morphology was brought out in the pause, which followed rapidly delivered ventricular extrastimuli during tachycardia. Based on this information, activation mapping was conducted in the para-Hisian region, high atrial septal regions on the right and left sides, and aortic sinuses. Tachycardia was successfully ablated at one of these sites. |
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Language | English |
Publishing date | 2021-01-15 |
Publishing country | United States |
Document type | Case Reports |
ISSN | 2156-3977 |
ISSN | 2156-3977 |
DOI | 10.19102/icrm.2021.120103 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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