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Positions of 10 Transaxial Planes Along the Aorta
| Plane | Position |
|---|---|
| 1 | Sinus of Valsalva |
| 2 | Sinotubular junction |
| 3 | Middle of Planes 2 and 4 |
| 4 | Proximal aortic arch |
| 5 | Middle of innominate artery and left common carotid artery |
| 6 | Middle of left common carotid artery and left subclavian artery |
| 7 | 2 cm distal to left subclavian artery |
| 8 | Middle of Planes 7 and 9 |
| 9 | At the level of diaphragm |
| 10 | 2 cm distal to diaphragm |
