neuro psmd Flashcards
what does ptosis + dilated pupil indicate?
third nerve palsy
also associated with eyes down and out
what does ptosis + constricted pupil indicate?
Horner’s syndrome (miosis + ptosis)
what does pain + CN3 palsy indicate?
posterior communicating artery aneurysm (petrous part of temporal bone presumably idk?)
what is hyperacusis associated with?
Bell’s palsy
what would a vesicular rash + bell’s palsy indicate?
ramsay hunt
is not bell’s palsy.
what is lhermitte’s sign?
flexion of neck causes tingling of hands
what does lhermitte’s sign indicate?
indicates disease near the dorsal column nuclei of the cervical cord
how does ulnar nerve lesion present?
wasting of hypothenar emininence weakness of finger abduction weak thumb adduction claw hand wasting and paralysis of intrinsic hand muscles sensory loss to medial 1.5 fingers
how does essential tremor present?
worse when arms outstretched
how is essential tremor treated?
propanolol
alcohol makes it better
what should be given to a patient with ischaemic stroke to prevent another ischaemic stroke?
clopidogrel and statin
dipyridamole if clopidogrel contraindicated
how do you treat acute cluster headache?
high flow O2 + nasal,SC sumatriptan
what is used for treatment of trigem neuralgia?
carbamezapine
what should a person with a single provoked seizure do?
inform the DVLA and await guidance on driving
what is a lateral medullary stroke?
acute ischaemic infarct of medulla oblongata
what type of bitemp hemianopia is seen in pituitary gland tumour?
upper quadrant defect!
how does primary open angle glaucoma present?
unilateral PERIPHERAL visual field loss
how would a patient who had an extensive stroke (right sided hemiplegia)
right homonymous hemianopia
homonymous hemianopia is always on the same side as the paresis
how would a patient who had an extensive stroke (right sided hemiplegia)
right homonymous hemianopia
homonymous hemianopia is always on the same side as the paresis
what is an acoustic neuroma?
vestibular schwannoma
how does vestibular schwannoma present?
vertigo
hearing loss
tinnitus
absent corneal reflex
what is friedrich-waterhouse syndrome?
Rare complication of meningococcal sepsis involving bilateral adrenal haemorrhage. This would be a patient who is extremely unwell, or who has been recently treated for meningitis and presents with collapse and salt-wasting.
what is multisystem atrophy?
parkinsonism and autonomic disfunction such as atonic bladder, postural hypotension
which nerve is most likely to be injured in a Colles fracture?
median nerve - no thumb abduction
colles fracture affects wrist
what is a side effect of carbamezapine?
Stevens-Johnson syndrome
