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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Two-dimensional speckle tracking echocardiography (2DSTE) in rats obtained from the left apical 4-chamber view. The entire left ventricular endocardium was traced for evaluation of strain rate (SR, a) and global longitudinal strain (GLS, b).