Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation
A patient with a dual chamber pacemaker was admitted to the emergency room after out-of-hospital cardioversion for syncopal sustained monomorphic ventricular tachycardia. Device interrogation revealed an abnormally timed ventricular spike after a ventricular premature beat at the beginning of the ev...
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doaj-7fa43c87b9df4e588e6d64fc3ab321ac2020-11-25T03:37:09ZengElsevierRevista Portuguesa de Cardiologia0870-25512020-10-013910611.e1611.e3Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillationDavid Roque0Nuno Cabanelas1João Augusto2Francisco Madeira3Hugo Vasconcelos4Carlos Morais5Corresponding author.; Serviço de Cardiologia, Hospital Professor Doutor Fernando da Fonseca, EPE, Amadora, PortugalServiço de Cardiologia, Hospital Professor Doutor Fernando da Fonseca, EPE, Amadora, PortugalServiço de Cardiologia, Hospital Professor Doutor Fernando da Fonseca, EPE, Amadora, PortugalServiço de Cardiologia, Hospital Professor Doutor Fernando da Fonseca, EPE, Amadora, PortugalServiço de Cardiologia, Hospital Professor Doutor Fernando da Fonseca, EPE, Amadora, PortugalServiço de Cardiologia, Hospital Professor Doutor Fernando da Fonseca, EPE, Amadora, PortugalA patient with a dual chamber pacemaker was admitted to the emergency room after out-of-hospital cardioversion for syncopal sustained monomorphic ventricular tachycardia. Device interrogation revealed an abnormally timed ventricular spike after a ventricular premature beat at the beginning of the event, caused by a pacemaker algorithm designed to avoid atrial fibrillation, non-competitive atrial pacing. Despite the absence of significant coronary lesions, in the setting of a vulnerable substrate – a hypokinetic and hyperechogenic region of ventricular myocardium – an upgrade to a dual-chamber implantable cardioverter-defibrillator was performed, and substrate ablation was planned. Resumo: Doente com pacemaker de dupla câmara é admitido no Serviço de Urgência após uma cardioversão fora do hospital por episódio sincopal secundário a taquicardia ventricular monomórfica mantida. A interrogação do dispositivo revelou um spike ventricular inapropriado após uma extrassístole ventricular no início do evento, provocado por um algoritmo de pacemaker desenhado para evitar fibrilhação auricular – o non-competitive atrial pacing (NCAP). Apesar da ausência de lesões coronárias significativas, no contexto de substrato vulnerável – uma região hipocinética e hiperecogénica de miocárdio ventricular – upgrade para cardiodesfibrilhador implantável (CDI) bicamaral foi realizado e ablação de substrato planeada.http://www.sciencedirect.com/science/article/pii/S0870255120303838Taquicardia ventricularAlgoritmo de pacemakerPacing auricular não competitivo |
collection |
DOAJ |
language |
English |
format |
Article |
sources |
DOAJ |
author |
David Roque Nuno Cabanelas João Augusto Francisco Madeira Hugo Vasconcelos Carlos Morais |
spellingShingle |
David Roque Nuno Cabanelas João Augusto Francisco Madeira Hugo Vasconcelos Carlos Morais Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation Revista Portuguesa de Cardiologia Taquicardia ventricular Algoritmo de pacemaker Pacing auricular não competitivo |
author_facet |
David Roque Nuno Cabanelas João Augusto Francisco Madeira Hugo Vasconcelos Carlos Morais |
author_sort |
David Roque |
title |
Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation |
title_short |
Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation |
title_full |
Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation |
title_fullStr |
Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation |
title_full_unstemmed |
Ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation |
title_sort |
ventricular tachycardia induced by pacing algorithm designed to avoid atrial fibrillation |
publisher |
Elsevier |
series |
Revista Portuguesa de Cardiologia |
issn |
0870-2551 |
publishDate |
2020-10-01 |
description |
A patient with a dual chamber pacemaker was admitted to the emergency room after out-of-hospital cardioversion for syncopal sustained monomorphic ventricular tachycardia. Device interrogation revealed an abnormally timed ventricular spike after a ventricular premature beat at the beginning of the event, caused by a pacemaker algorithm designed to avoid atrial fibrillation, non-competitive atrial pacing. Despite the absence of significant coronary lesions, in the setting of a vulnerable substrate – a hypokinetic and hyperechogenic region of ventricular myocardium – an upgrade to a dual-chamber implantable cardioverter-defibrillator was performed, and substrate ablation was planned. Resumo: Doente com pacemaker de dupla câmara é admitido no Serviço de Urgência após uma cardioversão fora do hospital por episódio sincopal secundário a taquicardia ventricular monomórfica mantida. A interrogação do dispositivo revelou um spike ventricular inapropriado após uma extrassístole ventricular no início do evento, provocado por um algoritmo de pacemaker desenhado para evitar fibrilhação auricular – o non-competitive atrial pacing (NCAP). Apesar da ausência de lesões coronárias significativas, no contexto de substrato vulnerável – uma região hipocinética e hiperecogénica de miocárdio ventricular – upgrade para cardiodesfibrilhador implantável (CDI) bicamaral foi realizado e ablação de substrato planeada. |
topic |
Taquicardia ventricular Algoritmo de pacemaker Pacing auricular não competitivo |
url |
http://www.sciencedirect.com/science/article/pii/S0870255120303838 |
work_keys_str_mv |
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