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Aortic valve energy dissipation index (AV-EDI) compared for various published aortic stenosis study groups: (1) normal/healthy, (2) moderate stenosis patients, i.e. free from events such as aortic replacement or death, (3) severe aortic stenosis patients who ultimately either received a replacement valve or died, (4) severe aortic stenosis patients with normal cardiac output, and (5) severe aortic stenosis patients who presented with low cardiac output and low pressure gradient.
