_:vb50954473 . _:vb50954473 . _:vb50954473 . _:vb50954473 . _:vb50954473 . _:vb50954473 "A heart disease that is characterized by any structural or functional cardiac disorder that impairs the ability of the heart to fill with or pump a sufficient amount of blood throughout the body."^^ . _:vb50954473 "url:http://en.wikipedia.org/wiki/Heart_disease"^^ .