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. 2021 Feb 10;9(2):e22164. doi: 10.2196/22164

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©Jayendra Maganbhai Bhalodiya, Arnab Palit, Gerard Giblin, Manoj Kumar Tiwari, Sanjay K Prasad, Sunil K Bhudia, Theodoros N Arvanitis, Mark A Williams. Originally published in JMIR Medical Informatics (http://medinform.jmir.org), 10.02.2021.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work, first published in JMIR Medical Informatics, is properly cited. The complete bibliographic information, a link to the original publication on http://medinform.jmir.org/, as well as this copyright and license information must be included.

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(a) MRI scans of a cardiac cycle at three LV levels: Basal, Mid-ventricular, and Apical. (b) HTM method to calculate strain values at each muscle point. V is mentioned in (Equation 2). (c) LV strain values, which are analyzed using the 16-segment AHA model. AHA: American heart association; HTM: hierarchical template matching; LV: left ventricle.