05-24-2007, 05:10 PM
conrgatulations to CD 45... JOB WELL DONE
25-year-old man falls while skateboarding and strikes the left side of his head against a concrete retaining wall. On physical examination only a minor scalp abrasion is present at the site of the impact, with minimal bleeding that stops in a few minutes. He is initially alert following this accident, but then became unconscious 30 minutes later. A head CT scan reveals a convex, lens-shaped area of hemorrhage centered over the left parietal region. These events are most likely to be associated with damage to which of the following parts of the intracranial vasculature?
A Bridging veins
B Cavernous sinus
C Great vein of Galen
D Inferior cerebellar artery
E Middle meningeal artery
F Ophthalmic branch of external carotid artery
25-year-old man falls while skateboarding and strikes the left side of his head against a concrete retaining wall. On physical examination only a minor scalp abrasion is present at the site of the impact, with minimal bleeding that stops in a few minutes. He is initially alert following this accident, but then became unconscious 30 minutes later. A head CT scan reveals a convex, lens-shaped area of hemorrhage centered over the left parietal region. These events are most likely to be associated with damage to which of the following parts of the intracranial vasculature?
A Bridging veins
B Cavernous sinus
C Great vein of Galen
D Inferior cerebellar artery
E Middle meningeal artery
F Ophthalmic branch of external carotid artery