Venous drainage of the trunk Flashcards
What are the branches of veins called?
Tributaries
What defines a vein?
Leads towards the heart, irrespective of oxygen content of the blood it carries
What veins enter the heart and where do they enter?
Superior vena cava
Inferior vena cave
Enter the right atrium
What drains via the SVC?
Head
Neck
upper limbs
What drains via the IVC?
Abdominal and pelvic cavities
Lower limbs
Where odes the SVC begin and descend past?
Begins behind lower border of 1st right costal cartilage and descends vertically behind 2nd and 3rd intercostal spaces
What are the main branches of the IVC?
Iliac vein (common)
Lumbar veins
Testicular veins
Renal veins
Suprarenal veins
Hepatic veins
What is the mnemonic used to remember IVC tributaries?
I
Like
To
Rise
So
High
What drains the anterior intercostal veins and to where?
Internal thoracic (mammary) vein
Drains to left and right brachiocephalic veins
What does the azygous vein drain?
Drains blood from the posterior intercostal veins to the SVC
Where is the azygous vein found?
Immediately adjacent to the thoracic aorta
What is the name of the azygous veins on the right and left?
Right = azygous vein
Left = hemiazygos venous system
Where does the hemiazygos vein drain to and at what vertebral level?
Into azygous vein at T8/9
Which main vein does the azygous vein drain into?
SVC
Which chest walls are drained by the azygous and hemiazygos venous systems?
Posterior
