Neuro Flashcards
Does Horners cause miosis or mydriasis?
miosis (pupillary constriction)
In Horners syndrome which system predominates, SNS or PNS?
PNS dominates
Which nerve innervates the levator palpebrae superior?
CNIII occulomotor nerve
What may you see in Horners syndrome?
- pupilllary constriction
- retractor bulbi causes eyelid to droop
Which nerve innervates the muscle that closes the eye (orbicularis oculi)
facial nerve VII
what is the afferent nerve in the palpebral reflex?
Trigeminal (opthalmic and maxillary branches)
what is the efferent nerve in the palpebral reflex?
facial nerve VII
what ddx are peracute in myelopathies?
- ischaemic myelopathy
- fracture/luxation
- ANNPE
What ddx are chronic in myelopathies?
IVD protrusion
Vertebral malformation
neoplasia
What ddx are acute in myelopathies?
IVDE
myelitis
Discospondylitis
some neoplasias
is ANNPE progressive?
no
Steroid responsive meningitis arteritis (SRMA) affects young or older dogs?
younger dogs
Is ANNPE painful?
No
is meningitis painful?
yes
is FCE or ischaemic myelopathy progressive?
no
is ANNPE lateralised?
yes
is FCE/ ischaemic myelopathy lateralised?
yes
is IVDE lateralised?
non
the annulus fibrosus contains the …
nucleus pulposus
what does FCE stand for?
fibrocartilaginous embolism
Meningomyelitis of unknown origin- what is the 5 finger rule?
-acute
- progressive
- painful
- multifocal/ t3-L3 myelopathy
- may be symmetrical or lateralised
what is the most common cause of ischaemic myelopathy in dogs?
fibrocartilaginous embolism (FCE)
Onset of ischaemic myolopathy
peracute
are radiographs good to prognosticate spinal injuries?
NO