veins of mediastinum Flashcards
What is the course of the blood returning to the right atrium?
Internal jugular and subclavian meet at the venous angle to form the brachiocephalic vein.
both brachiocephalic veins (right and left) meet to form the
SVC which dumps into your right atrium
Which brachiocephalic vein is shorter and more vertical?
right brachiocephalic vein
What is the course of the left brachiocephalic vein?
crosses mediastinum diagonally from left to right anterior to the left common carotid
crosses midline posterior to the upper half of the manubrium
where is the SVC located?
right side of the sternum
Where does the SVC originate?
at the level of the first costal cartilage
union of the left and right brachiocephalic
Where is the upper portion of the SVC found?
in the superior mediastinum
Where is the lower portion of the SVC is found?
in the pericardial sac
Where does the azygous vein begin?
at the junction of subcostal and descending lumbar veins
Where does the azygos vein receive blood?
right superior thoracic vein
lower right inyercostal veins
left side hemiazygous vein (spaces 9+)
left sideaccessory hemiazygos vein (spaces 4-8)
