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Article in English | LILACS | ID: biblio-834337

ABSTRACT

Studies have shown that avoidance of right ventricular pacing results in a decrease in the incidence of atrial fibrillation and congestive heart failure. Newer algorithms which promote intrinsic conduction and decrease the frequency of ventricular pacing have been developed. However some of these new pacing algorithms are complex and can create potential pitfalls for the clinician. Additionally, these features may not be applicable to a reasonable amount of patients. We describe an example of a pacemaker pseudo-malfunction caused by one of these new algorithms.


Estudos mostram que reduzir o uso de estimulaГЦo ventricular direita em pacientes com marcapasso estА relacionado com menor incidЙncia de fibrilaГЦo atrial e insuficiЙncia cardМaca congestiva. Diante desse novo paradigma, as empresas fabricantes vЙm desenvolvendo novas estratИgias de programaГЦo com objetivo de minimizar a taxa de estimulaГЦo ventricular direita. Entretanto, esses novos modos de programaГЦo sЦo muitas vezes complexos, acarretando dЗvidas sobre o correto funcionamento desses dispositivos. AlИm disso, muitos dos novos modos de programaГЦo podem nЦo ser aplicАveis a uma parcela significativa dos pacientes. Apresentamos um exemplo de programaГЦo de marcapasso visando minimizar a estimulaГЦo ventricular direita, cujo resultado prАtico simula mau funcionamento do dispositivo.


Subject(s)
Humans , Male , Aged, 80 and over , Algorithms , Arrhythmias, Cardiac/prevention & control , Pacemaker, Artificial/standards
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