Vasculature Flashcards
Define endocarditis
infection of the cardiac valves
Define bacteraemia
bacteria in the bloodstream
Give 3 dental origins of endocarditis/bacteraemia
abscess
periodontal disease
dental maniplulations
Give the names of the 3 superior branches of the aortic arch (R to L)
Right brachiocephalic trunk
Left common carotid artery
Left subclavian artery
What does the right brachiocephalic trunk bifurcate to become?
The right subclavian and the right common carotid
Which muscle splits the bilateral subclavian arteries into 3 parts?
the scalenus anterior
What nerve lies over the scalenus anterior?
The phrenic nerve
Describe the 3 parts of the subclavian artery
1st part - medial to the scalenus anterior
2nd part - deep to the scalenus anterior
3rd part - lateral to the scalenus anterior
Give the 4 branches of the 1st part of the subclavian artery
internal thoracic
thyrocervical trunk
inferior thyroid artery
vertebral artery
What do the vertebral arteries supply?
the brain
What do the internal thoracic arteries supply?
the anterior parts of the intercostal spaces
Where does the common carotid bifurcate into the internal and external carotid?
At the level of the hyoid bone - can feel carotid sinus
Where does the internal carotid enter the skull and what does it predominantly supply?
Enters through the carotid canal, supplies and middle and anterior parts of the brain
What does the external carotid exit?
The carotid sheath
How many named branches does the external carotid give off within the neck
8