Assertion: mitral valve prolapse's flap | /r/CapableOf | close the valve
Facets:
Source sentences:
text: The surgeon trims, shapes, or rebuilds one or both of the flaps that open and close the valve.
text: To treat mitral valve regurgitation, your surgeon might shape, rebuild, or trim the flaps that open and close the valve or fix the chords that attach them to the heart.
text: The flaps that close the valve become prolapsed, bulging in such a way as to allow the potential for blood to leak back into the atrium.