b) Anatomy (Vascular)
normal extracranial arterial and venous structures on vascular imaging modalities
i) CTA
ii) MRA
iii) US
iv) Catheter angiography
Vertebral artery
know the 4 segments V1. V2, V3, and V4
from wikipedia
External Carotid Branches (ECA)
pneumonic SALFOP SI
Superior Thyroid
Ascending Pharyngeal
Lingual
Facial (sometimes considered the external maxillary)
Occipital
Posterior Auricular (often not seen well)
Superrficial Temporal
Internal Maxillary
Common misconception: the middle meningeal is not a branch of the ECA, it is one of the early branches of the internal maxillary
Gory detail:
fyi artery of the ptyergoid canal is aka the vidian artery
http://upload.wikimedia.org/wikipedia/commons/a/aa/Gray511.png
Q: What complication can result from embolization of the facial artery
A; Sloughing of the nasal ala. ( I would not embolize this vessel for epistaxis)
Reference (shameless):
http://www.ajronline.org/content/174/3/845.full
see the diagrams by Dr. Lasjaunias just outside the angio suite at RH.