ANATOMY

Detailed explanation-1: -The superior vena cava (SVC) is the superior of the two venae cavae, the great venous trunks that return deoxygenated blood from the systemic circulation to the right atrium of the heart. It is a large-diameter (24 mm) short length vein that receives venous return from the upper half of the body, above the diaphragm.

Detailed explanation-2: -A large vein that carries blood to the heart from other areas of the body. The vena cava has two parts: the superior vena cava and the inferior vena cava. The superior vena cava carries blood from the head, neck, arms, and chest.

Detailed explanation-3: -The superior vena cava (SVC, also known as the cava or cva) is a short, but large diameter vein located in the anterior right superior mediastinum. Its latin name is related to its large pipe appearance in cadavers, ‘cava’ meaning ‘hollow’.

Detailed explanation-4: -The superior vena cava returns deoxygenated blood from the upper portion of the body including the head, neck, arms, and chest while the inferior vena cava returns blood to the heart from the lower portion of the body including the abdomen, pelvis, legs, and feet.

Detailed explanation-5: -The right and left brachiocephalic veins, also known as the innominate veins, join to form the superior vena cava posterior to the inferior border of the first right costal cartilage.