Flashcards in [bells palsy] Deck (21)
[bells]: what % of VII nerve palsys are Bells?
[bells]: duration of onset is always ...
rapid (e.g. overnight/after a nap)
[bells]: what is the pattern of facial weakness
[bells]: why might there be hypersensitivity to sounds
[bells]: what 2 sensory signs might there be and where
sensory loss (ipsilateral)
[bells]: why might there be reduced taste
VII supplies anterior 2/3s of the tongue
[bells]: what are the 2 major risk factors
[bells]: what muscle is used to puff out the cheeks
[bells]: describe what happens in a VII nerve grimace
normal side pulls lips up, affected side droops. Any 7th nerve palsy
[bells]: why is forehead wrinkling spared in UMNL
under bilateral cortical control
[bells]: what causes 'crocodile tears'
misconnection of healing paraasympathetic fibres
eating stimulates ipsilateral lacrimation but not salivation
[bells]: what infectious disease is indistinguishable from Bells palsy
Borrelia causing Lyme disease
[bells]: what Ix would you carry out to check for Lyme disease?
[bells]: 1st line Mx?
[bells]: why do you give artificial tears?
inability to lacrimate
[bells][ramsayhunt]: what is the causative agent
varicella zoster virus
[bells][ramsayhunt]: which ganglion is affected?
geniculate ganglion of VIIth
[bells][ramsayhunt]: what is the cardinal symptom
painful rash in auditory canal
[bells][ramsayhunt]: what other symptoms accompany the cardinal (5)
ipsilateral facial palsy
loss of taste
[bells][ramsayhunt]: 1st line Mx? (2)
Aciclovir 800mg PO 5 times daily for 7 days