
Posterior auricular nerve


sternocleidomastoid artery


occipital artery


superior laryngeal


hypoglossal


marginal mandibular branch of facial nerve


glossopharyngeal


superior cervical cardiac nerve


vagus


recurrent laryngeal nerve


superior thyroid artery


internal laryngeal nerve


Posterior auricular artery

What type of arch is this?

Type 1: Great vessels arise from same horizontal line as the outer curve of the arch
What type of arch is this?

Type 2 - the origin of the innominate lies between the horizontal planes of the inner and outer curves of the arch
What type of arch is this?

Type 3: innominate artery orgin is below the horizontal line of the inner curve of the arch.
Very difficult to stent