Neuro Flashcards
What is first line treatment for neuropathic pain?
Pregabalin
can also try amitriptyline, duloxetine, gabapentin
What features are characteristic of a seizure in temporal lobe?
- occur with or without impairment of consciousness
- preceeds with an aura
-lip smacking/grabbing/plucking
What features are characteristic of a seizure in frontal lobe?
Head/leg movements
posturing
post-ictal weakness
Jacksonian march
What features are characteristic of a seizure in parietal lobe?
sensory
paresthesia
What is first line treatment for Parkinsons?
Levodopa
Second line for Parkinsons
Add dopamine agonist, MAO-B inhibitor or catechol-O-methyl transferase (COMT) inhibitor
How to treat myasthenia gravis crisis?
Immunoglobulins and plasmapheresis
What is myasthenia gravis?
autoimmune condition
antibodies against acetylcholine receptors
What are the investigations for myasthenia gravis?
single fibre electromyography ( highly specific)
CT thorax to exclude thymoma
CK normal
antibody test
What is the management of myasthenia gravis?
1st line - pyridostigmine ( long acting acetylcholinerase inhibitor)
2nd line - add prednisolone
What is first line investigation of a suspected subarachnoid haemorrhage?
CT head without contrast
Features in a headache history that are considered red flags and should do CT Head
- thunderclap
- new neurological deficit
- head trauma
- immunocompromised
- under 20 + history of malignancy
- vomiting with no cause
- headache when coughing, valsalva and sneezing
-impaired level of consciousness
How does extradural haemorrhage appear on CT?
convex ( lemon)
What modality of imaging is used in MS diagnosis?
MRI with contrast
What does Urinary incontinence + gait abnormality + dementia suggest?
normal pressure hydrocepahlus
How do cluster headaches present?
- headaches last 15 mins to 2 hours
- intense sharp stabbing pain around one eye
- lusters last 4-12 weeks
What is used in acute management of cluster headache?
- oxygen
- subcut triptans
What is used in prophylaxis of cluster headaches?
verapamil
What is the drug treatment for tonic clonic seizures?
Males - Sodium valproate
females - lamotrigine or levetiracetam
What is the drug treatment for focal seizures?
Lamotrigine or Levetiracetam
second line: carbamazepine, oxcarbazepine or zonisamide
What is the drug treatment for absence seizures?
Ethosuximide
What is the drug treatment for myoclonic seizures?
males - sodium valproate
females - levetiracetam
What is the drug treatment for tonic seizures?
males: sodium valproate
females: lamotrigine
What are the management pathway Idiopathic intracranial hypertension?
1) weight loss
2) acetazolamide ( carbonic anhydrase inhibitor)
3) topiramate
Where is the lesion located if there is more weakness in the legs than then arms?
anterior cerebral artery
Where is the lesion located if there is more weakness in the arms than then legs?
middle cerebral artery
What also do you get when there is a MCA?
aphasia
sensory loss
contralateral homonymous hemianopia
What is preferred for secondary prevention following a stroke?
clopidogrel
What make up the motor and descending pathways?
pyramidal tracts
extrapyramidal tracts
What make up the pyramidal tracts?
Lateral and Anterior Corticospinal tracts
What make up the sensory and ascending pathways?
dorsal column
spinal cerebral
What is seen in CSF samples of MS patients?
oligoclonal bands