Neurology 7 Flashcards
most common genetic cause of stroke
cadasil
- NOTCH 3 gene mutation
effects of stroke in dominant hemisphere + non dominant hemisphere
language problems (normally left hemisphere is dominant) spatial awareness problems in non- dominant
first line investigation for stroke
non contrast CT
what is given for first 14 days following ischaemic stroke
aspirin 300mg
what is given long term following ischaemic stroke
clopidogrel
artery most commonly affected in stroke
middel cerebral artery
presentation of basilar artery occlusion
‘locked in syndrome’
- quadriplegia
- can move eyes + is conscious
Weber syndrome symptoms
ipsilateral CN3 palsy
contralateral hemiplegia/paresis
amaurosis fugax
transient vision loss ‘like a curtain coming down’
occlusion of the retinal/opthalmic artery
TIA
stroke symptoms + signs that resolve within 24 hours
- focal brain/retinal ischaemia
investigation of TIA
carotid doppler
gait in bilateral foot drop
high stepping gait
head injury, drowsy acutely (hours) afterwards + vomiting
extradural haemorrhage
- biconvex CT scan
crescent on CT
sub dural haemorrhage
- chronic, injury could be a week ago
investigation of cauda equina
urgent MRI
what is seen in acute spinal shock
what is seen later on after spinal cord injury
acute – areflexia, low tone
chronic- UMN signs
what type of injuries cause central cord syndrome
hyeprflexion or extension injury
- most likely in elderly patients with OA/spondylosis