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Regression analysis between Peak TKEtotal and CO (A), left ventricular stroke volume (B), and heart rate (C) for the four aortic regions. Values at rest and with dobutamine infusion from each healthy subject are included. CO, cardiac output; AAo, ascending aorta; AoA, aortic arch; DAo, descending aorta; TAo, thoracic aorta (Supplementary Video).
