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Superior Vena Cava




  Latin v cava superior
  GraySubject 172
  GrayPage 666
  Image Gray577png
  Caption The Brachiocephalic Vein s, '''superior vena cava''', Inferior Vena Cava , Azygos Vein and their tributaries
  DrainsFrom
  DrainsTo
  Artery
  MeshName Vena+Cava,+Superior
  MeshNumber A07231908949815


The superior vena cava (SVC) is a large but short Vein that carries de-oxygenated Blood from the upper half of the body to the Heart 's Right Atrium . It is formed by the left and right Brachiocephalic Vein s (also referred to as the Innominate veins) which receive blood from the Upper Limb s and the Head and Neck .

In the adult, no Valve separates the SVC from the Right Atrium . As a result, the (right) atrial and (right) ventricular contractions are conducted up into the Internal Jugular Vein and, through the Sternocleidomastoid Muscle , can be seen as the Jugular Venous Pressure . In Tricuspid Valve Regurgitation these pulsations are very strong.


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