Assertion: aortic stenosis's cardiologist | /r/CapableOf | use special balloon catheter
Facets:
value: to separate the fused valve leaflets
type: PURPOSE
Source sentences:
text: If aortic stenosis is moderate or severe, an interventional cardiologist may be able to use a special balloon catheter to separate the fused valve leaflets – and thereby widen the opening for blood flow.