Neurology - head problems Flashcards
(41 cards)
What are some symptoms of optic neuritis?
decreased acuity in few days pain, pain on moving eye, made worse by heat and exercise, afferent pupil reflex (RAPD), colour blindness
What are the signs of cerebellar disease?
DANISH Dysdiadodochokinesis Ataxia Nystagmus Intention tremor Speech Hypotonia Reflexes (pendular)
What is hydrocephalus?
excess CSF in intracranial cavity - caused by bacterial meningitis, haemorrhage post fossa tumours, spina bifida
How do you treat hydrocephalus?
CT head - surgical drainage
if untreated there is likely to be irreversible brain damage
How do you diagnose giant cell arteritis?
temporal artery biopsy
PET scan
ESR/CRP
How do you treat giant cell arteritis?
steroids
immunosuppressants/biologicals
Name 3 signs of encephalitis
fever, headache, lethargy photophobia, neck stiffness behaviour change seizure decreased consciousness
What is the treatment of encephalitis?
30 minutes after arrival - acyclovir
How do you treat meningitis?
bacterial - cefotaxime, ceftriaxone
Viral - acicylovir
What tests would you do for meningitis?
Blood culture - gram - diplococcus LP - between L3 and S1 CT of head throat swap serum PCR - for viral, meningococcal, pneumococcal check retina for raised ICP
What is the treatment for a cluster headache?
100% O2, 7-15 L for 15 mins
What is a cluster headache?
5 attacks of facepain (15-180 mins), upsilateral cranial autonomic features, restlessness 1-8 day
Who is most at risk of a cluster headache?
Risk increases with smokers, more alcohol,
Prophylaxis for migraine
primary - beta blocker, e.g. propanolol
amytriptyline
topiramirate, sumatriptan
What symptoms indicate temporal arteritis?
Headache, scalp tenderness, jaw caludication, malaise, acute blindness (curtain coming down)
Name 3 symptoms of a brain tumour
Signs of raised ICP - vomiting, headache progressive neurological deficit epilepsy tiredness papilloedema
What disease is associated with trigeminal neuralgia?
MS
What are the diagnostic criteria for trigeminal neuralgia?
3 of - recurrent very short attacks, severe electric shock, shooting or stabbing triggered by normal stimuli
How would you test for glucoma?
tonometry
What is Uthoff’s phenomenon?
precipatation of symptoms of optic neuritis by heat
What is prophylaxis for cluster headaches?
veramapril - calcium channel blocker
How would you manage idiopathic intracranial hypertension?
weight loss, serial LPs
acetazolomide and furesomide to lower CSF production
surgical decompression but only if eyesight is affected
What are the long term effects of bacterial meningits?
hearing loss
How who are the ‘contacts’ of someone with meningitis and how do you treat them?
Contact = household or kissing partner
ciprofloxacin 500mg