Adedayo Ashana, MS1 Univ. of Pennsylvania,

School of Medicine.

Where is the temporal bone?Where is the temporal bone?Where is the middle meningeal artery?Where is the middle meningeal artery?

www.medical-software-shop.co.uk/grants4.htm

Epidural HematomaEpidural Hematoma

from Robbins & Cotran, 7th Ed, p. 1358

Do you see three meningeal layers?Do you see three meningeal layers?

Normal vs. Abnormal Head CT ScanNormal vs. Abnormal Head CT Scan

user.shikoku.ne.jp/tobrains/exam/CT/CT-e.html

Any difference between the two pictures?

Looks Familiar?Looks Familiar?

Brain stem goes through foramen magnumBrain stem goes through foramen magnum

So why is brain stem herniation badSo why is brain stem herniation bad

Brain stem helps us do automatic Brain stem helps us do automatic things that keep us alive.things that keep us alive.

For example…….........For example…….........

What is this?What is this?

Trouble breathing!

Unconscious!Unconscious!

What is the doctor doing?What is the doctor doing?

Herniation through foramen magnum

Will affect blood pressure!