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Subclavian artery

Synonyms: arteria subclavia
German: Arteria subclavia

1 Definition

The subclavian artery is a paired artery near the stem, which carries oxygenated blood to the head, throat, arm and shoulder.

2 Origin

The left subclavian artery arises from the aortic arch, the right subclavian artery and common carotid artery both originate in the brachiocephalic trunk.

3 Course

The subclavian artery extends under the clavicle and under the pectoralis minor muscle into the interscalene space formed by the Anterior scalene muscle and median scalene muscle to the lower edge of the pectoralis major muscle. From here on, it is referred to as the axillary artery.

For the subclavian artery, the interscalene space is a bottleneck, which can lead to impaired blood flow. This is known as scalene syndrome.

4 Branches

The artery gives off the following branches:

5 Function

The subclavian artery supplies the upper extremities as well as portions of the throat and thorax region with arterial blood.

6 Clinic

The subclavian artery is used, among other things, for operative treatment of aortic coarctation. The process entrails rotation plasty of the subclavian artery.

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