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. 2016 Nov 4;6:36395. doi: 10.1038/srep36395

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Copyright © 2016, The Author(s)

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(a) Single cell APD restitution for ALT_fast (solid line) and ALT_slow (dashed line) AP models, using left atrium (LA, green) or right atrium (RA, orange) chronic AF K⁺ current densities from Grandi et al.⁴⁵ Bifurcation of the APD restitution curve indicates alternans occurring at that pacing CL. (b) LA cell APs for the ALT_fast and ALT_slow models at different pacing CLs. (c) RA cell APs for the ALT_fast and ALT_slow models at different pacing CLs. (d) LA and RA regions in the human atria model. (e) Stimulus locations. (f) Detection of filaments during arrhythmia.