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Exam 3
FA Neuro 6
44
Veterinary Medicine
Professional
04/19/2017

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
What is the etiology behind Maedi-visna virus infection?
Definition
-retrovirus/lentivirus
Term
How is maedi-visna virus transmitted?
Definition
-infection: milk/colostrum in nenonates
-inhalation
-in utero
Term
What are the CS of adult sheep >2y w/ Maedi-visna?
Definition
-ovine progressivepneumonia
-mastitis
-arthritis
-wt loss w/ good appetite
-neuro form: ataxia, circling, CP deficits, twitching of face, death
Term
How do we diagnose Maedi-vsna infection?
Definition
-serology, vrius isolation, PCR
-CSF: pleocytosis and inc protein
-PM
Term
HOw do we treat maedi-visna virus infection?
Definition
-none
Term
HOw do we control Maedi-visna virus infection?
Definition
-test & cull
-isolate infected adults & artificial rearing of offspring
Term
What is the etiology of coenurosis?
Definition
-Coenuris cerebralis
-forms cyst in brain or spinal cord
Term
Which species are most commonly affected by coenurosis?
Definition
-sheep > cattle, goat, horses
Term
What causes the CS of coenurosis?
Definition
-space-occyping mass
Term
How do we treat coenurosis?
Definition
-Praziquantel & anti-inflamms
Term
What is setaria digitata? How is it transmitted? WHich spp are affected?
Definition
-microfilaria carriedby cattle
-mosquitoes
-sheep develop CNS signs
Term
What is the common name for enzootic ataxia?
Definition
-swayback
Term
What is the etiology behind enzootic ataxia?
Definition
-copper deficiency in prenatal/parinatal period
Term
Why is copper important?
Definition
-collagen, myelin, & melanin formation
Term
What lesions do we see w/ enzootic ataxia due to copper deficiency?
Definition
-bilateral symmetric loss of myelin in spinal cord
-+/- cavitations of cerebral white matter
Term
What are the CS of the two forms of enzootic ataxia?
Definition
-congenital: weak, tetraparesis, may be born dead
-progressive spinal swayback: older (<2-4m), progressitve ataxia & paralysis, m atrophy
-Ewe: uncrimped or depigmented wool
Term
How do we diagnose enzootic ataxia?
Definition
-CS
-low blood or liver Cu
-hypochromic, microcytic anemia
-PM
Term
How do we treat enzootic ataxia?
Definition
-unsuccessful in restoring neuro function
Term
How do we control enzootic ataxia?
Definition
-Cu supplements to ewe
-balanced ration
Term
What causes neonatal hypoglycemia?
Definition
-lack of milk intake
Term
What causes edema dz? CS?
Definition
-E. coli
-swollen eyelids + neuro sigs
Term
What neuro signs does Strep suis cause in pigs?
Definition
-meningitis
-others: polysynovitis, polyserositis, polyarhtritis
Term
What CS do we see w/ water deprivation in pigs?
Definition
-cortical blindness
-sit & spin
Term
What do we see w/ pseudorabies in pigs?
Definition
-suckling pigs, all die
-tremors, incoordination, convulsin
Term
What CS do you see w/ myoclona congenita? Which breed is predisposed?
Definition
-congenital tremor
-large white pigs: Landrace
Term
Where do we collect CSF from cows?
Definition
-lumbosacral: L6-S1
-risky & expensive but less than w/ atlanto=occipatal location
Term
What is a Queckenstedt's test?
Definition
-bilateral compression of jugular v w/ needle in to inc CSF flow
Term
Where do we perform a cisterna magnum CSF tap?
Definition
-midline just cranial to line connecting anterior edges of wings of atlas
Term
Where do we perform a lumbosacral CSF tap?
Definition
-midline just caudal to line connecting tuber coxae
-depression b/n last palpable dorsal lumbar spine L6 & 1st palpable dorsal spine S2
Term
What do you you feel when putting needle in for LS CSF tap in cattle?
Definition
-2 changes in tissue resistance: liamentum flavum (soft) & dorsal subarachnoid space
Term
What should CSF tap look like grossly?
Definition
-clear, colorless
Term
What should the protein level be w/ CSF?
Definition
<40 mg/dl
Term
What should we see on cytology of normal CSF?
Definition
-RBC or platelets: 0
-WBC < 10 cells/ uL
Term
What does a red CSF indicate? Usual cause?
Definition
-presence of RBC
-traumatic tap > subarachnoid hemorrhage
Term
What does a foamy CSF indicate? Possible causes?
Definition
-inc protein
-ex: inflammation, infectin, trauma, or neoplasia
Term
What does a turbid CSF indicate?
Definition
-inc [WBC]
Term
What does a yellow-brown CSF indicate?
Definition
-subarachnoid hemorrhage
-persists 2-4w
-centrifugation to differentiate from traumatic tap
Term
What do we see on CSF w/ bacterial problems?
Definition
-inc neutrophils
Term
What do we see on CSF w/ viral dz?
Definition
-inc lymphocytes
Term
What do we see on CSF w/ protozoal dz?
Definition
-inc eosinophils
Term
What do we see on CSF w/ listeria?
Definition
-inc mononuclear cells
Term
What do we see on CSF w/ CNS necrosis?
Definition
-inc macrophages
Term
What is a positive pandy test? Etiolgoies?
Definition
-presence of globulins
-exudation hemorrhage, local pdn
Term
What does glucose < 60% serum levels in CSF suggest?
Definition
-bacterial infection
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