Extradural haemorrhage Flashcards
1
Q
What is an extradural haemorrhage?
A
A hihg pressure haemorrhage from an artery occuring between the sura mater and the skull.
2
Q
What are the risk factors for an extradural haemorrhage?
A
> Head injury
Spontaneous haemorrhage
Severe thermal burn
3
Q
What are the signs and symptoms of an extradural haemorrhage?
A
> LOC followed by regainig consciousness then loss again (lucid interval) > Headache > confusion > vomiting > parasthesia/ paralysis > seizures
4
Q
What is the epidemiology of an extradural haemorrhage?
A
Most common = pterion region over middle meningeal artery
About 2 percent of head injuries and 15 percent of fatal head injuries involve an epidural hematoma.
5
Q
What investigations would you do for an extradural haemorrhage?
A
> CT
MRI
Shows convex mass that is translucent (clotted blood is darker though)
