This angiogram demonstrates the aortic arch and great vessels. 血管造影顯示主動脈弓和大動脈。
The narrowed segment called coarctation can occur anywhere in the aorta, but is most likely to happen in the segment just after the aortic arch. 狹窄的部分稱為縮窄,可發生在主動脈的任何地方,但是最容易發生在緊接主動脈弓后的部分。