A system for replacing native valve function includes a prosthetic heart valve having a collapsible and expandable stent, the stent having a plurality of sections, and a valve assembly disposed in the stent. The system further includes an occluder device having an expandable body having a first end and a second end, a fastener coupled to the first end of the body and to a portion of the stent at a first position adjacent a first section of the stent, and a disk coupled to the second end of the body and to a portion of the stent at a second position in a section other than the first section.
