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. 2019 Dec 24;9:19766. doi: 10.1038/s41598-019-56489-6

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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A male patient aged 56 years with old myocardial infarction. (A) Magnetic resonance imaging (MRI) with delayed enhancement was performed with LGE (late gadolinium enhancement)-positive area of infarction indicated by the arrows. B-H. IVIM-DWI images of the same patient. The IVIM-DWI images were shown with b values of 0 (B), 20 (C), 60 (D), 80 (E), 120 (F), 200 (G), and 600 (G) s/mm². Both the signal intensity of the infarcted myocardium and cardiac blood pool demonstrated high signal intensity. With the increase in the b value, the signal intensity of the blood pool decreased, with an optimal contrast at b = 120 s/mm². IVIM, intravoxel incoherent motion; DWI, diffusion-weighted image.