Assertion: aortic stenosis | /r/AtLocation | older adults
Facets:
value: typically
type: DEGREE
value: due to aortic valve calcification
type: CAUSE
Source sentences:
text: In older adults, aortic stenosis typically occurs due to aortic valve calcification, a process in which the calcium that is naturally present in blood is deposited on the valve flaps and annulus (a fibrous "ring" of tissue that surrounds a heart valve).