Now showing items 1-20 of 49

    • A General Equilibrium Model to Study Intracellular Calcium Homeostasis. New Insights on Ventricular Function 

      Álvarez Lacalle, Enrique; Conesa Ortega, David; Echebarría Domínguez, Blas; Shiferaw, Yohannes; Peñaranda Ayllón, Angelina; Rodríguez Cantalapiedra, Inma (2018)
      Conference report
      Open Access
    • Amplitude equation approach to spatiotemporal dynamics of cardiac alternans 

      Echebarría Domínguez, Blas; Karma, Alain (American Physical Society, 2007-11-30)
      Article
      Open Access
      Amplitude equations are derived that describe the spatiotemporal dynamics of cardiac alternans during periodic pacing of one- B. Echebarria and A. Karma, Phys. Rev. Lett. 88, 208101 2002 and twodimensional homogeneous ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; López Codina, Daniel; Echebarría Domínguez, Blas (2021-03-26)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; Echebarría Domínguez, Blas; López Codina, Daniel (2021-03-29)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; Echebarría Domínguez, Blas; López Codina, Daniel (2021-03-31)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; Echebarría Domínguez, Blas; López Codina, Daniel (2021-04-02)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; Echebarría Domínguez, Blas; López Codina, Daniel (2021-04-05)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; Echebarría Domínguez, Blas; López Codina, Daniel (2021-04-09)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; Echebarría Domínguez, Blas; López Codina, Daniel (2021-04-07)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; Echebarría Domínguez, Blas; López Codina, Daniel (2021-04-12)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Analysis and prediction of COVID-19 for EU-EFTA-UK and other countries 

      Català Sabaté, Martí; Cardona Iglesias, Pere Joan; Prats Soler, Clara; Alonso Muñoz, Sergio; Álvarez Lacalle, Enrique; Marchena Angos, Miquel; Conesa Ortega, David; Echebarría Domínguez, Blas; López Codina, Daniel (2021-04-14)
      External research report
      Open Access
      The present report aims to provide a comprehensive picture of the pandemic situation of COVID-19 in the EU countries, and to be able to foresee the situation in the next coming days. We provide some figures and tables ...
    • Are SR Ca content fluctuations or SR refractoriness the key to atrial cardiac alternans?: insights from a human atrial model 

      Lugo Vélez, Carlos Antonio; Rodríguez Cantalapiedra, Inma; Peñaranda Ayllón, Angelina; Hove-Madsen, Leif; Echebarría Domínguez, Blas (2014-06-01)
      Article
      Restricted access - publisher's policy
      Despite the important role of electromechanical alternans in cardiac arrhythmogenesis, its molecular origin is not well understood. The appearance of calcium alternans has often been associated to fluctuations in the ...
    • Buffering and total calcium levels determine the presence of oscillatory regimes in cardiac cells 

      Marchena Angos, Miquel; Echebarría Domínguez, Blas; Shiferaw, Yohannes; Álvarez Lacalle, Enrique (2020-09-24)
      Article
      Open Access
      Calcium oscillations and waves induce depolarization in cardiac cells which are believed to cause life-threathening arrhythimas. In this work, we study the conditions for the appearance of calcium oscillations in both a ...
    • Calcium alternans is a global order-disorder phase transition. Robustness on Ryanodine Receptor release dynamics 

      Álvarez Lacalle, Enrique; Peñaranda Ayllón, Angelina; Rodríguez Cantalapiedra, Inma; Shiferaw, Yohannes; Echebarría Domínguez, Blas (2015)
      Conference report
      Open Access
      Electromechanical alternans is a beat-to-beat alterna- tion in the strength of contraction of a cardiac cell which appears often due to an instability of calcium cycling. The global calcium signal in cardiomyocytes is ...
    • Calcium alternans is a global order-disorder phase transition: robustness on ryanodine receptor release dynamics 

      Álvarez Lacalle, Enrique; Peñaranda Ayllón, Angelina; Rodríguez Cantalapiedra, Inma; Shiferaw, Yohannes; Echebarría Domínguez, Blas (2016-01-01)
      Article
      Open Access
      Electromechanical alternans is a beat-to-beat alterna- tion in the strength of contraction of a cardiac cell which appears often due to an instability of calcium cycling. The global calcium signal in cardiomyocytes is ...
    • Calcium Alternans is Due to an Order-Disorder Phase Transition in Cardiac Cells 

      Álvarez Lacalle, Enrique; Echebarría Domínguez, Blas; Spalding, Jon; Shiferaw, Yohannes (2015-03-12)
      Article
      Open Access
      Electromechanical alternans is a beat-to-beat alternation in the strength of contraction of a cardiac cell, which can be caused by an instability of calcium cycling. Using a distributed model of subcellular calcium we show ...
    • Calcium alternans produced by increased sarcoplasmic reticulum refractoriness 

      Rodríguez Cantalapiedra, Inma; Lugo Vélez, Carlos Antonio; Peñaranda Ayllón, Angelina; Echebarría Domínguez, Blas (2011-09-29)
      Article
      Open Access
      Despite the important role of electro-mechanical alternans in cardiac arrhythmogenesis, its molecular origin is not well understood. In this paper we want to study alternans that can be associated with alternations in the ...
    • Calcium alternans produced by increased sarcoplasmic reticulum refractoriness 

      Rodríguez Cantalapiedra, Inma; Lugo, Carlos; Peñaranda Ayllón, Angelina; Echebarría Domínguez, Blas (IEEE Computer Society Publications, 2011)
      Conference report
      Restricted access - publisher's policy
      Despite the important role of electro-mechanical alternans in cardiac arrhythmogenesis, its molecular origin is not well understood. In this paper we want to study alternans that can be associated with alternations in ...
    • Cardiac contraction induces discordant alternans and localized block 

      Radszuweit, M.; Álvarez Lacalle, Enrique; Bär, Markus; Echebarría Domínguez, Blas (2015-02-04)
      Article
      Open Access
      In this paper we use a simplified model of cardiac excitation-contraction coupling to study the effect of tissue deformation on the dynamics of alternans, i.e., alternations in the duration of the cardiac action potential, ...
    • Cardiac dynamics: modeling the Brugada syndrome 

      Rodríguez Cantalapiedra, Inma; Echebarría Domínguez, Blas; Peñaranda Ayllón, Angelina (2007)
      Conference report
      Open Access
      Este trabajo analiza mediante un modelo matemático reducido de corrientes ionicas la posibilidad de aparición de arritmias cardiacas.