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Anatomy The mitral valve apparatus is composed of the mitral annulus, leaflets, chordae tendineae, papillary muscles, and the left ventricular lateral wall ( Fig. 80-1 ). Chordae tendineae and papillary muscles comprise the subvalvular apparatus. Annulus The right fibrous trigone…
Introduction ◆ Degenerative mitral valve disease, also called mitral valve prolapse or floppy mitral valve syndrome , is caused by myxomatous degeneration of the mitral valve tissue, whereby elastin and collagen bundles are disrupted, and proteoglycan deposition in the spongiosa…