Measurement site

Peak velocity (cm/s) in systole

Flow acceleration (cm/s2) in systole (bold) and from the end systole to diastole (underline)

external curvature

inner

curvature

external curvature

inner

curvature

Entrance of the ascending aorta

80.3 ± 2.1

71.7 ± 1.7

422.7 − 445.4

378.4 − 396.7

Aortic arch

47.8 ± 1.4

59.3 ± 1.8

227.0 − 265.9

857.3 − 944.5

310.8 − 330.3

Isthmus area

60.1 ± 1.2

74.7 ± 2.5

318.4 − 331.4

3657.2 − 3865.3

390.3 − 417.3

571.4 − 685.7

Thoracic aorta

62.6 ± 2.4

59.9 ± 2.7

325.4 − 351.4

330.3 − 354.7

309.2 − 338.4