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. 2019 Nov 20;16(160):20190570. doi: 10.1098/rsif.2019.0570

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© 2019 The Author(s)

Published by the Royal Society. All rights reserved.

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Figure 2. — Strain estimation of infarct size. (a) We extracted myocardial strain profiles radially from the infarct centre (black crosshair) and performed sigmoidal fitting on strain profiles averaged across every 30° region. (b) The spatial positions of the inflection points (square box and black dots) are defined as the infarct border and unwrapped from the infarct centre to estimate infarct boundaries in regions with sternal artefacts (c). Infarct size is defined as the percentage of the myocardium that lies within the strain-estimated infarct boundary. (Online version in colour.)