equine exam 2 Flashcards
difference in clinical signs between cerebrum lesions and brainstem lesions
cerebrum has blindness, seizures
brainstem has weakness and ataxia +- CN
two foal DDX for neuro signs
neonatal encephalopathy and bacterial meningitits
presenting signs for a horse with Equine viral myeloencephalitis
fever!!!! stiffness, inappetitence, dull. these progress to head tilt, circling, compulsive walking and can result in death
what is the best testing method for EVEMs?
PCR unless you live in the stone age, then serology
what is the treatment for EVEMs?
antiinflammatories, fluid therapies and SC.
T/F your horse will likely make a complete recovery from an EVEM (EEE, WEE, VEE)
no. often residual effects in mentation vision or coordination
three clinical syndromes for rabies in a horse`
dumb form, furious form, paralytic form. they can switch inbetween these forms.
what would you see on histopath of a horse with rabies
lymphocytic perivascular cuffing, neuronal degeneration, maybe negri bodies
what is a main difference in the clinical signs of a horse with WNV (flavivirus) compared to the EVEMs?
muscle fasciculations, hyperesthesia
best way to diagnose WNV?
most accurate is post mortem via PCR
what is neonatal encephalopathy?
noninfectious neuro signs immediately post partum. or up to 5 days after birth
what is the difference between cat 1 NE and Cat 2
cat 1 was a normal birth and normal foal. much more common. better prog if had PT of immunity
cat 2 is a complicated preg or birth. foal is abnormal from the start.
what does a foal with NE look like. diagnoses?
very young, reduced suckle reflex, wanderer, may bark, convulsive. diagnosis is presumptive, and responsive to supportive care.
