Assertion: valve | /r/HasProperty | narrowed
Facets:
Source sentences:
text: The valve is narrowed and doesn't open fully (aortic stenosis)
text: Valvular heart disease is a general term referring to dysfunction of the valves, and is primarily in two forms, either regurgitation, where a dysfunctional valve lets blood flow in the wrong direction, or stenosis, when a valve is narrow.
text: Valvular heart disease is characterized by a valve that is too narrow (stenosis) or when valves are unable to close completely, thus allowing the blood to leak backward across the valve (incompetency, insufficiency or regurgitation).
text: It may not be closing properly, which causes blood to leak backward to the left ventricle (regurgitation), or the valve may be narrowed (stenosis).
text: It may not be closing properly, which causes blood to leak backward to the left atrium (regurgitation), or the valve may be narrowed (stenosis).