Aortic rupture | Aortic dissection | |
Size/contour | → or ↑ / asymmetric | ↑ / symmetric |
Intraluminal flap | Thick ("medial flap") | Thin ("intimal flap") |
Entry tear | No | Frequent |
Thrombus | No | Yes (false lumen) |
Blood flow velocity (color Doppler) | Similar | Different (slower in the false lumen) |
Aliasing (mosaic of colors) | Yes (surrounding the torn aortic wall) | Unusual (near an intimal tear) |
Spatial extension | Limited (aortic isthmus) | Variable (anatomical type) |
Hemomediastinum | Frequent (large) | Infrequent |
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