Figure 17

Measurement of pulse wave velocity according to reference [ 53 ] . Δx = length of the centerline between the sites of flow measurement in the ascending and descending aorta (A); Δt = time delay between the flow curves obtained in the descending aorta relative to the flow curve obtained in the ascending aorta calculated between the midpoint of the systolic up slope tails on the flow versus time curves of the ascending aorta (ta1) and the descending aorta (ta2) (B).