1. A. Parasternal long-axis plane through the mitral valve in late systole. The plane of the mitral annulus is drawn in a dotted line. The mitral valve leaflets prolapse past the level of the annulus into the LA. B. Diagram of true mitral valve prolapse. The mitral leaflets clearly prolapse (arrows) posterior to the plane of the mitral annulus (straight dotted line). C. M-mode image through the plane of the mitral valve demonstrating posterior prolapse of the leaflets during systole (arrow). A, atrial component; Ao, aorta; LA, left atrium; LV, left ventricle; E, early diastolic filling; M, M-mode imaging beam. Reproduced with permission from Devereux RB, Kramer-Fox R, Kligfield P. Mitral valve prolapse: causes, clinical manifestations, and management. Ann Intern Med. 1989;111:
Source: Chapter 18. Echocardiography, Hurst's The Heart, 13e
Citation: Fuster V, Walsh RA, Harrington RA. Hurst's The Heart, 13e; 2011 Available at: Accessed: November 22, 2017
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