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. 2022 Apr 12;9:862044. doi: 10.3389/fcvm.2022.862044

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Copyright © 2022 Pype, Bertrand, Paelinck, Heidbuchel, Van Craenenbroeck and Van De Heyning.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Barlow’s disease vs. fibroelastic deficiency. 2D transthoracic four-chamber view (upper panels) and 3D transesophageal focused view of the mitral valve (lower panels). (A) Barlow’s disease with annular dilatation, thickened leaflets and bileaflet prolapse (anterior + posterior mitral leaflet). (B) Fibro-elastic deficiency with prolapse (flail) of the P2 segment of the posterior mitral leaflet due to chordal rupture. Mitral annulus diameter is normal in this case, but mild annular dilatation can be present. AML, anterior mitral leaflet; PML, posterior mitral leaflet.