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

File:Vertebral artery 3D AP.jpg

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.