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pro vyhledávání: '"Ashikaga, Hiroshi"'
Autor:
Meister, Felix, Passerini, Tiziano, Audigier, Chloé, Lluch, Èric, Mihalef, Viorel, Ashikaga, Hiroshi, Maier, Andreas, Halperin, Henry, Mansi, Tommaso
Electroanatomic mapping as routinely acquired in ablation therapy of ventricular tachycardia is the gold standard method to identify the arrhythmogenic substrate. To reduce the acquisition time and still provide maps with high spatial resolution, we
Externí odkaz:
http://arxiv.org/abs/2009.14068
Akademický článek
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Spiral waves are considered to be one of the potential mechanisms that maintains complex arrhythmias such as atrial and ventricular fibrillation. The aim of the present study was to quantify the complex dynamics of spiral waves as the organizing mani
Externí odkaz:
http://arxiv.org/abs/1806.10768
An example of phase transition in natural complex systems is the qualitative and sudden change in the heart rhythm between sinus rhythm and atrial fibrillation (AF), the most common irregular heart rhythm in humans. While the system behavior is centr
Externí odkaz:
http://arxiv.org/abs/1804.10828
Autor:
Aronis, Konstantinos N., Berger, Ronald D., Calkins, Hugh, Chrispin, Jonathan, Marine, Joseph E., Spragg, David D., Tao, Susumu, Tandri, Harikrishna, Ashikaga, Hiroshi
Publikováno v:
Chaos 28, 063130 (2018)
Atrial fibrillation (AF) is the most common cardiac arrhythmia in human beings, and is associated with significant morbidity and mortality. The current standard of care includes interventional catheter ablation in selected patients, but the success r
Externí odkaz:
http://arxiv.org/abs/1802.01496
Publikováno v:
Front. Phys., 10 April 2018 | https://doi.org/10.3389/fphy.2018.00030
The heart exhibits complex systems behaviors during atrial fibrillation (AF), where the macroscopic collective behavior of the heart causes the microscopic behavior. However, the relationship between the downward causation and scale is nonlinear. We
Externí odkaz:
http://arxiv.org/abs/1712.02203
Autor:
Ashikaga, Hiroshi, James, Ryan G.
The mechanism that maintains atrial fibrillation (AF) remains elusive. One approach to understanding and controlling the mechanism ("AF driver") is to quantify inter-scale information flow from macroscopic to microscopic behaviors of the cardiac syst
Externí odkaz:
http://arxiv.org/abs/1711.10126
Publikováno v:
Sci Rep 8: 1967, 2018
To prevent sudden cardiac death, predicting where in the cardiac system an order-disorder phase transition into ventricular fibrillation begins is as important as when it begins. We present a computationally efficient, information-theoretic approach
Externí odkaz:
http://arxiv.org/abs/1708.03990
Autor:
Uzelac, Ilija, Kaboudian, Abouzar, Iravanian, Shahriar, Siles-Paredes, Jimena G., Gumbart, James C., Ashikaga, Hiroshi, Bhatia, Neal, Gilmour, Robert F., Jr., Cherry, Elizabeth M., Fenton, Flavio H.
Publikováno v:
In Heart Rhythm O2 August 2021 2(4):394-404
Autor:
Ashikaga, Hiroshi, James, Ryan G.
Publikováno v:
Chaos 27: 013106, 2017
A spiral wave is a macroscopic dynamic of excitable media that plays an important role in several distinct systems, including the Belousov-Zhabotinsky reaction, seizures in the brain, and lethal arrhythmia in the heart. Because spiral wave dynamics c
Externí odkaz:
http://arxiv.org/abs/1608.06816