Extradural Haemorrhage Flashcards
what topic?
neuro and ACUTE&TRAUMA
what is extradural haemorrhage
bleeding and accumulation of blood in the extradural space
aetiology/causes of extradural haemorrhage
Trauma
rupturing of the middle meningeal artery
what is the main cause of ruptured middle meningeal artery
fracture of temporal/ parietal bones (pterion weakest point)
risk factors for extradural haemorrhage
bleeding tendency; haemophilia, anticoagulant therapy
most common presenting symptoms of extradural haemorrhage
head injury with associated loss of consciousness
LUCID interval
progressive deterioration of consciousness
signs on physical examinations
scalp trauma or fracture, headache, raised ICP
signs of raised ICP
papillodema
investigations
urgent CT scan
convex/lens shaped
treatment
often requires surgical removal of the haematoma with a craniotomy