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. 2019 Dec 9;17(5):298–312. doi: 10.1038/s41569-019-0305-z

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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 licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence 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 licence, visit http://creativecommons.org/licenses/by/4.0/.

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Fig. 3 — a | Mitral regurgitation (MR) assessment with cardiovascular magnetic resonance imaging in a patient with organic MR. Prolapse of the P2 can be seen on the three-chamber view during mid-systole (morphology panel, bottom image), and the resulting MR jet is visualized on the short-axis view (morphology panel, top image). The MR volume (MR_vol) is quantified using the standard method: left ventricular stroke volume (LVSV) minus aortic phase-contrast forward volume (AoPC). b | MR assessment in a patient with ischaemic cardiomyopathy. Non-coaptation owing to ventricular dilatation is seen on the short-axis cines (morphology panel, top images). A through-plane phase-contrast acquisition shows the central MR jet (morphology panel, right-hand middle image). Late gadolinium enhancement imaging reveals extensive ischaemic myocardial scaring (Morphology panel, right-hand bottom image). LVEDV, left ventricular end-diastolic volume; LVESV, left ventricular end-systolic volume; MR_RF, mitral regurgitation fraction.