Blood Supply to Head and Neck Flashcards
(47 cards)
Major Artery that supplies the face
External Carotid Artery
Branches of the External Carotid Artery
Transverse Facial Superficial Temporal Maxillary Posterior Auricular Occipital Facial Lingual Ascending Pharyngeal Superior Thyroid
Branches of the Maxillary Artery
Infraorbital
Buccal
Mental
Vessels of the Scalp (off the External Carotid A)
Supraorbital Supratrochlear Superficial Temporal Posterior Auricular Occipital
Subclavian Artery passes
between ante and middle scalene along with brachial plexus
Subclavian Vein passes
anterior to anterior scalene
two major arteries that exit the thorax to supply the upper extremity and the head and neck
Subclavian a.
Common carotid a.
on the right side these arteries come from
brachiocephalic a.
on the life side these arteries come from
aortic arch
subclavian gives off
vertebral aa.
thyrocervical trunk
Thyrocervical Trunk supplies
and gives off
lower neck structures
inferior thyroid a.
major arteries of the head and neck are
Common Carotid a
Vertebral Arteries
the Common Carotid splits level with
the superior border of the thyroid cartilage
C4-C5 level
Internal Carotid artery supplies
(along with vertebral arteries)
the contents of the cranial cavity
External Carotid artery supplies
upper neck
face
scalp
External Carotid gives off
Superior thyroid artery
brain receives about ____% of cardiac output
15%
brain can consume ___% of oxygen supply at rest
25%
if blood is interrupted for ___ mins can cause irreversible damage
5
blood supply to brain by way of two main arteries
Internal Carotid Arteries
Vertebral Arteries
__% from internal carotid
__% from vertebral arteries
70%
30%
Internal Carotid enters cranial cavity via
carotid canal in temporal bone
Internal Carotid passes through the
cavernous venous sinus
Vertebral Arteries is a branch of
subclavian a
