Assertion: congestive heart failure's cause | /r/HasProperty | blood clots
Facets:
value: within the heart
type: LOCATION
Source sentences:
text: In addition to the above listed causes, other common causes of Congestive Heart Failure include pregnancy, anemia, abnormal heart rhythm, heartworm disease, blood clots within the heart, heart valve blockages or deficiencies, defects in the heart walls, and tumors.