Browsing Faculté de médecine – Travaux et publications by Subject "Atrial fibrillation"

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  • Analysis of electrocardiograms during atrial fibrillation 

    Jacquemet, Vincent; Van Oosterom, Adriaan; Vesin, Jean-Marc; Kappenberger, Lukas (Institute of electrical and electronics engineers, 2006-11-30)
    The research discussed in this article is motivated by the search for an optimal classification of the different types of atrial fibrillation (AF) on the basis of recorded atrial signals. This would facilitate the selection of an optimal therapy. This ...

  • Cancellation of ventricular activity in the ECG : evaluation of novel and existing methods 

    Lemay, Mathieu; Vesin, Jean-Marc; Van Oosterom, Adriaan; Jacquemet, Vincent; Kappenberger, Lukas (Institute of electrical and electronics engineers, 2007-02-20)
    Due to the much higher amplitude of the electrical activity of the ventricles in the surface electrocardiogram (ECG), its cancellation is crucial for the analysis and characterization of atrial fibrillation. In this paper, two different methods are ...

  • Modeling left and right atrial contributions to the ECG : a dipole-current source approach 

    Jacquemet, Vincent (Elsevier, 2015)
    This paper presents the mathematical formulation, the numerical validation and several illustrations of a forward-modeling approach based on dipole-current sources to compute the contribution of a part of the heart to the electrocardiogram (ECG). ...

  • The role of atrial modeling in the development of ECG processing tools 

    Jacquemet, Vincent; Lemay, Mathieu; Uldry, Laurent; Duchêne, Cédric; Van Oosterom, Adriaan; Kappenberger, Lukas; Vesin, Jean-Marc (Springer, 2009)
    The standard ECG remains the most common non-invasive tool for assessing atrial fibrillation. Specific signal processing techniques have been developed to improve the diagnosis. However, validation of such tools is challenging and comprehensive invasive ...

  • Study of unipolar electrogram morphology in a computer model of atrial fibrillation 

    Jacquemet, Vincent; Ihara, Zenichi; Virag, Nathalie; Zozor, Steeve; Blanc, Olivier; Dang, Lam; Vesin, Jean-Marc; Kappenberger, Lukas; Henriquez, Craig S. (Wiley, 2003-10-20)
    Introduction: Electrograms exhibit a wide variety of morphologies during atrial fibrillation (AF). The basis of these time courses, however, is not completely understood. In this study, data from computer models were studied to relate features of the ...