Extradural Heamorrhage

Question 1

Define Extradural Heamorrhage

Answer 1

Bleed in the between the external dura (dura matter) and the skull

Bleeding happens from middle meningeal artery and vein-usually fast

Question 2

Aetiology and risk factors of Extradural Heamorrhage

Answer 2

Bleed usually resulting from damage to the temple (trauma) which lacerated middle menigneal artery and vein-usually after trauma lateral to eye

Blood collects between the dura and the skull

Tears in dural venous sinous also result in extradural bleeds

Blood accumulation causes raised ICP, and pushes structure away from the skull-herniate and compression

Risk factors: trauma to side of eye, age, blood thinners, common falls (alcoholic, epileptic)

Question 3

Signs and Sx of Extradural Heamorrhage

Answer 3

Typical patients-after trauma, Immediate LOC and lowered GCS., then recover, then bad after

Severe headache, confusion, vomiting, seizures

hemiparesis, brisk reflexes

If continues-ipsilateral pupil dilation

coma, bilateral limb weakness, brainstem compression

Question 4

Investigation of Extradural Heamorrhage

Answer 4

CT HEAD-Lens shaped heamotoma (subdural is banana)-should be done after head trauma

DO NOT DO AN LP

Question 5

Management of extradural heamorraghe

Answer 5

A-E approach and maintain while contacting Neurosurgery