Assertion: heart failure's heart | /r/HasProperty | weakened
Facets:
value: significantly
type: DEGREE
Source sentences:
text: However, the heart doesn't need to be weakened to cause heart failure.
text: However, the heart doesn't need to be weakened to cause heart failure.
text: When the heart is weakened significantly, blood and fluid can back up and collect not only in the feet, ankles and legs but also in the lungs.