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parachute mitral valve


Definition: congenital abnormality of the mitral valve characterized by the presence of a single papillary muscle from which the tendinous cords (chordae tendinae) of both valve leaflets divide; thus the resemblance to a parachute; the condition often produces a stenosis as the combined result of the tugging action of the cords on, and the subsequent narrowing between, the leaflets.

Synonym(s): parachute deformity

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© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.