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The subclavian vein is a paired large vein, one on either side of the body, that is responsible for draining blood from the upper extremities, allowing this blood to return to the heart. The left subclavian vein plays a key role in the absorption of lipids , by allowing products that have been carried by lymph in the thoracic duct to enter the ...
Aberrant right subclavian artery is a condition where the right subclavian artery arises on the arch of aorta distal to the left subclavian artery, instead of brachiocephalic trunk. This condition occurs in about 0.4 to 1.8% of the general population.
In over 95% of individuals, the thoracic duct ends by draining either at the venous angle, or into the internal jugular vein, or the subclavian vein, but - in the minority of cases - empties into either the brachiocephalic vein, external jugular vein, suprascapular vein, transverse cervical vein, or vertebral vein. [3]
Subclavian steal syndrome (SSS), also called subclavian steal steno-occlusive disease, is a medical condition characterized by retrograde (reversed) blood flow in the vertebral artery or the internal thoracic artery. This reversal occurs due to proximal stenosis (narrowing) or occlusion of the subclavian artery.
The incidence of pneumothorax is highest with subclavian vein catheterization due to its anatomic proximity to the apex of the lung. In the case of catheterization of the internal jugular vein, the risk of pneumothorax is minimized by the use of ultrasound guidance. For experienced clinicians, the incidence of pneumothorax is about 1.5–3.1%
The internal thoracic artery arises from the anterior surface of the subclavian artery near its origin. [2] [3] It has a width of between 1-2 mm. [4] It travels downward on the inside of the rib cage, approximately 1 cm from the sides of the sternum, [3] and thus medial to the nipple. It is accompanied by the internal thoracic vein.
The axillary artery is accompanied by the axillary vein, [2] which lies medial to the artery, along its length. In the axilla, the axillary artery is surrounded by the brachial plexus . [ 2 ] The second part of the axillary artery is the reference for the locational descriptions of the cords in the brachial plexus .
The right lymphatic duct courses along the medial border of the anterior scalene at the root of the neck. The right lymphatic duct forms various combinations with the right subclavian vein and right internal jugular vein.