assessment 4 pt 2 Flashcards
What causes tetanus
Clostridium tetani also called lockjaw
tetanus clinical signs
lockjaw, muscle paralysis and spasms
tetanus treatment
tetanus antitoxin
difference between tetanus antitoxin and tetanus toxoid
antitoxin kills it while the toxoid is in the vaccination and prevents it
Should all horses be vaccinated for tetanus
yes
EPM
inflammatory disease of the spinal cord and brain
What causes EPM? What is the life cycle of EPM? What is the definitive host? What are the intermediate hosts?
sarcocystis neurona; opossum sheds sporocysts which then are consumed by cats, skunks, or raccoons (intermediate hosts); opossum (definitive host) then eats dead intermediate host and completes life cycle
How is EPM transmitted
horse drinks contaminated water or feed
What are risk factors for horses developing EPM
- horses being stressed
- horses exposed to opossums
Describe the clinical signs of EPM
ataxia (signs similar to rabies)
Wobblers
stenosis of the spinal canal with compression of the spinal cord
wobblers causes
genetic disposition, trauma, osteochondrosis
wobblers clinical signs
ataxia, trouble backing up (mimics all other neurological diseases)
How is Wobbler’s diagnosed?
radiographs
two types of treatment options for Wobblers
conservative therapy, surgery
the most common cause of lameness in horses
sole abscess
What are possible causes of sole abscess
damage to hoof, laminitis
What are the clinical signs of a sole abscess
sudden onset of non weight bearing lameness
How is a sole abscess diagnosed
clinical signs and physical exam
How is a sole abscess treated
draining foot, keeping it bandaged, give antibiotics
laminitis
inflammation of the lamina
acute laminitis vs chronic laminitis
acute: lameness, heat in feet, increased digital pulse
chronic: rings on hoof wall, bruised soles, chronic abscesses, rotation of coffin bone
Chronic laminitis is also called
founder
What is the laminae?
tissue that attaches hoof to coffin bone
several causes of laminitis
- grain overload
- obesity
- cushing’s disease
- colic
purpose of having a horse stand in ice in acute laminitis
to ease pain and inflammation
What NSAIDs are used in treatment of laminitis
phenylbutazone and flumixin meglumine
Other than medications, list some treatments for laminitis
therapeutic shoes
soft bedding
corrective trimming
prognosis for laminitis
depends on cause and severity
common name for exertional rhabdomyolysis (ER)
tying up
What is myoglobinuria? Why does it occur with ER
excess myoglobin; from muscle necrosis (horse is overexercised)
How is ER treated
- dietary management
- stop exercise
dietary management of ER
- low starch diet
- supplements
What is the bacteria that causes thrush
fusobacterium necrophorum
What are some locations ringbone can occur
dorsal surface of p1, p2 and p3
What is the difference between bone spavin and bog spavin
bog is distention of joint capsule and bone is arthritis
What is navicular disease
inflammation of the navicular bone