Please enable JavaScript.
Coggle requires JavaScript to display documents.
Extradural Haemorrhage (Clinical Presentation (Characteristic history…
Extradural Haemorrhage
Key Facts
SUSPECT this if after head injury, conscious level falls or is slow to improve or there is a lucid interval
-
Aetiology
MOST COMMONLY due to a traumatic head injury resulting in fracture of the temporal or parietal bone causing laceration of the MIDDLE MENINGEAL ARTERY, typically after trauma to the temple
-
-
Clinical Presentation
Ipsilateral pupil dilates, coma deepens, bilateral limb weakness develops and breathing becomes deep and irregular - signs of brainstem compression
-
-
-
Severe headache, nausea and vomiting, confusion and seizures - due to raising ICP +/- hemiparesis and brisk reflexes
-
Characteristic history
-
Lucid interval - period of time between traumatic brain injury and decrease in consciousness. Whilst haematoma is still small and there is still some bleeding.
-
Differential Diagnosis
Epilepsy, carotid dissection and carbon monoxide poisoning - fit with lucid period
Subdural haematoma, subarachnoid haemorrhage, meningitis
Diagnosis
CT head
-
Shows hyper dense haematoma that is biconvex/lense shaped/lemo shaped and adjacent to the skull keep it more localised
-
-