Now showing items 1-5 of 5

  • Detrended fluctuation analysis of heart rate by means of symbolic series 

    Valencia Murillo, José Fernando; Vallverdú Ferrer, Montserrat; Schroeder, Rico; Voss, Andreas; Cygankiewicz, I.; Vazquez, R.; Bayes de Luna, Antonio; Caminal Magrans, Pere (2010)
    Conference report
    Open Access
    Detrended fluctuation analysis (DFA) has been shown to be a useful tool for diagnosis of patients with cardiac diseases. The scaling exponents obtained with DFA are an indicator of power-law correlations in signal ...
  • Heart rate variability characterized by refined multiscale entropy applied to cardiac death in ischemic cardiomyopathy patients 

    Caminal Magrans, Pere; Valencia Murillo, José Fernando; Vallverdú Ferrer, Montserrat; Schroeder, Rico; Cygankiewicz, I.; Vázquez, Rafael; Bayes de Luna, Antonio; Porta, Alberto; Voss, Andreas (2010)
    Conference lecture
    Restricted access - publisher's policy
    In this work, Refined Multiscale Entropy (RMSE) was applied to characterize risk of cardiac death in ischemic cardiomyopathy patients, analyzing heart rate variability (HRV) by means of RR series during daytime and ...
  • Segmented Symbolic Dynamics for Risk Stratification in Patients with Ischemic Heart Failure, Cardiovascular Engineering and Technology 

    Voss, Andreas; Schroeder, Rico; Caminal Magrans, Pere; Vallverdú Ferrer, Montserrat; Brunel, Helena; Cygankiewicz, I.; Vázquez, Rafael; Bayes de Luna, Antonio (Springer, 2010-12-30)
    Article
    Restricted access - publisher's policy
    Chronic heart failure (CHF) is recognized as major and escalating public health problem. Approximately 69% of CHF patients suffer from cardiac death within 5 years after the initial diagnosis. Until now, no generally accepted ...
  • Symbolic dynamics of QT interval series in ischemic cardiomyopathy 

    Cuponne, Anna; Vallverdú Ferrer, Montserrat; Gomis Román, Pedro; Porta, Alberto; Voss, Andreas; Bayes de Luna, Antonio; Caminal Magrans, Pere (Computing in Cardiology, 2012)
    Conference lecture
    Open Access
    Repolarization dynamics may be of increasing interest in analyzing ECG-Holter for characterization of myocardial ischemic events related to cardiac death. The quantification of the dynamics of the beat-to-beat QT interval ...
  • Symbolic dynamics to discriminate healthy and ischaemic dilated cardiomyopathy populations: An application to the variability of heart period and QT interval 

    Valencia, Jose F.; Vallverdú Ferrer, Montserrat; Rivero, Isidre; Voss, Andreas; Bayes de Luna, Antonio; Porta, Alberto; Caminal Magrans, Pere (Royal Society, 2015-02-13)
    Article
    Open Access
    Myocardial ischaemia is hypothesized to stimulate the cardiac sympathetic excitatory afferents and, therefore, the spontaneous changes of heart period (approximated as the RR interval), and the QT interval in ischaemic ...