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Response to atrial overdrive pacing during narrow QRS tachycardia. What is the mechanism?

A 35-year old lady with no pre-excitation on surface electrocardiogram underwent EP study for recurrent palpitation and documented adenosine responsive narrow QRS tachycardia. Regular narrow QRS tachycardia was induced with critical AH delay on programmed atrial stimulation. An atrial overdrive paci...

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Detalles Bibliográficos
Autores principales: Majumdar, Suchit, Mohanan Nair, Krishna Kumar, Namboodiri, Narayanan, Valaparambil, Ajitkumar
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Elsevier 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7517583/
https://www.ncbi.nlm.nih.gov/pubmed/32730799
http://dx.doi.org/10.1016/j.ipej.2020.07.002
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author Majumdar, Suchit
Mohanan Nair, Krishna Kumar
Namboodiri, Narayanan
Valaparambil, Ajitkumar
author_facet Majumdar, Suchit
Mohanan Nair, Krishna Kumar
Namboodiri, Narayanan
Valaparambil, Ajitkumar
author_sort Majumdar, Suchit
collection PubMed
description A 35-year old lady with no pre-excitation on surface electrocardiogram underwent EP study for recurrent palpitation and documented adenosine responsive narrow QRS tachycardia. Regular narrow QRS tachycardia was induced with critical AH delay on programmed atrial stimulation. An atrial overdrive pacing (AOD) was performed during the tachycardia (Fig: 1 & 2). What is the response to AOD and what is the mechanism of tachycardia?
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spelling pubmed-75175832020-09-30 Response to atrial overdrive pacing during narrow QRS tachycardia. What is the mechanism? Majumdar, Suchit Mohanan Nair, Krishna Kumar Namboodiri, Narayanan Valaparambil, Ajitkumar Indian Pacing Electrophysiol J Case Report A 35-year old lady with no pre-excitation on surface electrocardiogram underwent EP study for recurrent palpitation and documented adenosine responsive narrow QRS tachycardia. Regular narrow QRS tachycardia was induced with critical AH delay on programmed atrial stimulation. An atrial overdrive pacing (AOD) was performed during the tachycardia (Fig: 1 & 2). What is the response to AOD and what is the mechanism of tachycardia? Elsevier 2020-07-28 /pmc/articles/PMC7517583/ /pubmed/32730799 http://dx.doi.org/10.1016/j.ipej.2020.07.002 Text en © 2020 Indian Heart Rhythm Society. Production and hosting by Elsevier B.V. http://creativecommons.org/licenses/by-nc-nd/4.0/ This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
spellingShingle Case Report
Majumdar, Suchit
Mohanan Nair, Krishna Kumar
Namboodiri, Narayanan
Valaparambil, Ajitkumar
Response to atrial overdrive pacing during narrow QRS tachycardia. What is the mechanism?
title Response to atrial overdrive pacing during narrow QRS tachycardia. What is the mechanism?
title_full Response to atrial overdrive pacing during narrow QRS tachycardia. What is the mechanism?
title_fullStr Response to atrial overdrive pacing during narrow QRS tachycardia. What is the mechanism?
title_full_unstemmed Response to atrial overdrive pacing during narrow QRS tachycardia. What is the mechanism?
title_short Response to atrial overdrive pacing during narrow QRS tachycardia. What is the mechanism?
title_sort response to atrial overdrive pacing during narrow qrs tachycardia. what is the mechanism?
topic Case Report
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7517583/
https://www.ncbi.nlm.nih.gov/pubmed/32730799
http://dx.doi.org/10.1016/j.ipej.2020.07.002
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