Assertion: heart valve | /r/CapableOf | become leaky
Facets:
value: (regurgitation, insufficiency)
type: CAUSE
value: abnormally
type: DEGREE
Source sentences:
text: Diseased heart valves that have become abnormally narrow or abnormally leaky may require surgery.
text: When a heart valve becomes leaky, blood begins to flow in reverse of its normal direction.
text: When heart valves become leaky (regurgitation, insufficiency) or blocked (stenosis), the heart has to work harder and has to adapt its shape and muscle structure to meet the needs of the body.