neurology Flashcards
(17 cards)
what symptom is often associated with transient global amnesia
perseveration
what does forehead sparing symptoms indicate
upper motor neurone problem
needs urgent head CT
what can be given as migraine prophylaxis in patients with undetermined risk of pregnancy
amitriptyline
what is the earliest time an LP can be performed for a subarachnoid haemorrhage, should head CT be inconclusive
12 hours - gives time for xanthochromia to form
name 2 risk factors for subdural haematoma
increasing age and alcohol use
mnemonic for remembering the symptoms of a POCS
5D’s, H, visual and ataxia
dysarthria, dysphagia, dizziness, diplopia, drop attacks
headache - usually occipital
visual disturbances e.g. HH, cortical blindness
what is dysarthria
slurred speech
most common cause of encephalitis
viral - HSV
clinical presentation of encephalitis
altered mental status, fever, seizures, headache, behaviour changes, prodromal flu-like illness
management of suspected encephalitis
IV acyclovir
bilateral lobe hypodensity
think encephalitis
what causes wallenbergs syndrome
PICA occlusion
how does wallenbergs syndrome present
contralateral body sensory loss and ipsilateral horners syndrome
what is used to identify the cause of a subarachnoid haemorrhage
CT angiography
what is used to monitor respiratory effort in patients with myasthenia gravis
FVC
lumbar puncture of IIH
raised opening pressure
what is akathisia and what can it be a complication of
inner restlessness
first line antipsychotics e.g. haloperidol
