Assertion: pulmonary valve stenosis | /r/HasProperty | mitral annulus calcification
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Source sentences:
text: It confirms the diagnosis, identifies the cause (e.g., leaflet fusion of rheumatic mitral valve stenosis, mitral annulus calcification in elderly patients), allows for estimation of valve orifice area, and, with the use of Doppler techniques, facilitates an approximation of the transvalvular pressure gradient.