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Locating Order-Disorder Phase Transition in a Cardiac System.

Locating Order-Disorder Phase Transition in a Cardiac System.
Author Information (click to view)

Ashikaga H, Asgari-Targhi A,


Ashikaga H, Asgari-Targhi A, (click to view)

Ashikaga H, Asgari-Targhi A,

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Scientific reports 2018 01 318(1) 1967 doi 10.1038/s41598-018-20109-6
Abstract

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 to predicting the locations of the wavebreaks. Such wavebreaks initiate fibrillation in a cardiac system where the order-disorder behavior is controlled by a single driving component, mimicking electrical misfiring from the pulmonary veins or from the Purkinje fibers. Communication analysis between the driving component and each component of the system reveals that channel capacity, mutual information and transfer entropy can locate the wavebreaks. This approach is applicable to interventional therapies to prevent sudden death, and to a wide range of systems to mitigate or prevent imminent phase transitions.

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