Neurology Flashcards
Subungual fibromas are seen in what neurocutaneous disorder?
Tuberous Sclerosis
Edrophonium is used to diagnose what neurological disorder?
Myasthenia gravis
(the drug is an acetylcholinesterase inhibitor)
What is the MOA of Sumitriptan?
5-HT1B and 1D agonist
A craniopharyngioma causes an upper or lower bitemporal hemianopia?
Lower Bitemporal hemianopia
(pit adenoma -> Upper)
Symptoms of Freidrich’s ataxia?
- Bilateral spastic paresis
- Loss of proprioception and vibration
(Same as SCD of cord) - Ataxia - intention tremor
Wernicke’s aphasia is a disease of what lobe?
Temporal
Auditory agnosia, prospagnosia (inability to recognise faces) can be result of a lesion to what lobe?
Temporal
Sensory inattention, apraxias (inability to perform a task when asked), astereognosis (tactile agnosia) and Gerstmann’s syndrome are caused by lesions to what lobe?
Parietal
Describe Gerstmann’s syndrome
Lesion of dominant Parietal
- Alexia (comprehension of language)
- Aculculia (maths inability)
- FInger agnosia
- R-L disorientation
How is Freidrich’s ataxia inherited?
AR
What neurocutaneous disorder may feature pheochromocytoma?
Neurofibromatosis
What drugs are 1st line for focal seizures?
- Lamotrigine and levitiracetam
What drugs are 1st line for myoclonic seizures?
- Men: Sodium Valproate
- Women: Levitiracetam
Sagittal sinus thrombosis has what sign on imaging?
Empty delta sign
What venous sinus thrombosis has an association with 6th and 7th cranial nerves?
Lateral sinus thrombosis
What sinus thrombosis is associated with trauma, infection and 3456 (eyes and trigeminal) CNs?
Cavernous sinus thrombosis
Treatment of ring-enhancing lesion
- Ceftriaxone
- Metronidazole
What drugs increase idiopathic intracranial hypertension?
- COCP
- Tetracyclines
- Steroids
- Retinoids
- Lithium
What nerve abducts the thumb?
Median
What are the features of Wernicke’s encephalopathy?
- Oculomotor dysfunction (nystagmus and/or Opthalmoplegia)
(LR palsy, conjugate gaze oalsy) - Gait ataxia
- Encephalopathy (confusion, disorientation, indifference, inattentiveness)
- Peripheral sensory neuropathy
What are the features that would give Korsakoff syndrome?
- Amnesia (mem loss)
- Confabulation
Muscle spasticity in MS is treated with what?
- Baclofen (muscle relaxant)
- Gabapentin
A lesion in the left trochlear nerve would cause a head tilt toward what side?
Right side
Post stroke meds
- Clopidogrel
- Statin
If clopidogrel contra-indicated:
- Aspirin + MR dipyridamole
Ischaemic stoke management
- Aspirin 300mg
- Thrombolysis (within 4.5 hrs)
- Thromobectomy (within 6 hrs or 24 hrs)
What autoimmune disease may cause bilateral facial nerve palsy and bilateral parotid gland enlargement?
Sarcoidosis
Foul smelling discharge from ear can indicate what?
Cholsteatoma
What subtype of GBS has descending wekaness, areflexia, opthalmoplegia and ataxia?
Miller-Fisher syndrome
A subdural and epidural bleed may require what surgery?
Burr hole evacuation
How is MG diagnosed?
Antibody screen
Diplopia and vertical gaze palsy is a feature of what Parkinson’s plus syndrome?
PSP
Diabetes insipidus (cranial) may cause what visual disturbance?
Bitemporal hemianopia (lower)