Assertion: heart murmur's cause | /r/HasProperty | calcified valves
Facets:
value: in older people
type: LOCATION
value: beside rheumatic fever
type: OTHER
Source sentences:
text: The most common cause of AS (Aortic stenosis) is calcified valves due to aging.
text: Beside rheumatic fever, common causes of the damaged valve are myxomatous degeneration, endocarditis, calcification of valves in older people, and prolapse of valve.