Subdural haemorrhage Flashcards
Most common cause of acute subdural haemorrhage
most commonly caused by high-impact trauma
First line investigation to show subdural haemorrhage
CT
Findings on CT
Hyperdense crescent collection
not limited by suture lines
May cause mass effect/ midline shift/ herniation
What time frame is necessary for a diagnosis of chronic subdural haemorrhage
Present for weeks to months
What two groups are particularly at risk of subdural haemorrhage
Elderly
alcoholic patients
- due to brain atrophy and therefore fragile or taut bridging veins.
how do chronic subdural haemorrhages normally present?
weeks to months of either confusion, reduced consciousness or neurological deficit.
Management of chronic subdural haemorrhage
if small/ no neuro deficit then conservative mx
If confusion/neuro deficit/ mass effect
= surgical decompression with burr holes
