A Novel Echocardiographic Parameter to Confirm Low-Gradient Aortic Stenosis Severity. - Hecht S; Annabi MS; Stanová V; Dahou A; Burwash IG; Koschutnik M; Bartko PE; Bergler-Klein J; Mascherbauer J; Donà C; Orwat S; Baumgartner H; et al. (JACC. Advances, 2024)