Last min Neurology Passmedicine (I)

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Neurology
'Fasciculations' - think motor neuron disease
Chorea is caused by damage to the basal ganglia, in particular the Caudate nucleus
Dystrophia myotonica - DM1
 distal weakness initially
 autosomal dominant
 diabetes
 dysarthria
Absence seizures - good prognosis: 90-95% become seizure free in adolescence
Antiplatelets
 TIA: clopidogrel
 ischaemic stroke: clopidogrel
Asymmetrical symptoms suggests idiopathic Parkinson's
Bitemporal hemianopia
 lesion of optic chiasm
 upper quadrant defect > lower quadrant defect = inferior chiasmal compression, commonly a
pituitary tumour
 lower quadrant defect > upper quadrant defect = superior chiasmal compression, commonly a
craniopharyngioma
Burning thigh pain - ? meralgia paraesthetica - lateral cutaneous nerve of thigh compression
CT head showing temporal lobe changes - think herpes simplex encephalitis
Cluster headache - acute treatment: subcutaneous sumatriptan + 100% O2
DVLA advice post CVA: cannot drive for 1 month
DVLA advice post multipler TIAs: cannot drive for 3 months
Eclampsia - give magnesium sulphate first-line
Epidural haematoma - lucid interval
Epilepsy + pregnancy = 5mg folic acid
Epilepsy medication: first-line
 generalised seizure: sodium valproate
 partial seizure: carbamazepine
Episodic eye pain, lacrimation, nasal stuffiness occurring daily - cluster headache
Essential tremor is an AD condition that is made worse when arms are outstretched, made better by
alcohol and propranolol
FVC is used to monitor respiratory function in Guillain-Barre syndrome

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