Shared Flashcard Set

Details

Exam 2
Dz of Upper Hind Limb
66
Veterinary Medicine
Professional
10/05/2016

Additional Veterinary Medicine Flashcards

 


 

Cards

Term
What is the usual cause of a tarsal fracture in the horse?
Definition
-trauma
Term
What is the most common tarsal fracture that occurs in the horse?
Definition
-lateral malleollus
-slab fractures of central and third tarsal bone can occur in racehorses
Term
How do we diagnose tarsal fractures?
Definition
-CT or MRI
Term
How do we treat tarsal fractures in the horse?
Definition
-internal fixation usually
Term
Where does tarsal luxation usually occur in the horse?
Definition
-PIT or TMT joint
Term
What are the clinical signs of tarsal luxation?
Definition
-severe lameness
-0soft tissue swelling
-instability
Term
How do we diagnose tarsal luxation?
Definition
-palpation
-rads: stressed DP view
Term
How do we treat tarsal luxation?
Definition
-surgical arthrodesis of the distal joint
-full limb cast application: 3m
-conservative: strict stall confinement
Term
What is the prognosis with equine tarsal luxations?
Definition
-distal joints: fair-good with internal fixtion
-TC joing: guarded
-concurrent fractures of the tarsal bb lower prognosis
Term
What is the common name for calcaneoun bursitis?
Definition
-capped hcck
Term
What is a capped hock?
Definition
-local fluctuant swelling over point of hock b/n the SDFT and the skin
Term
What usually causes calcaneoun bursitis?
Definition
-direct trauma to the tuber calcanei or from the hrose kicking a solic object sucha s the stall or trailer wall
Term
What usually causes lameness concerning a capped hock?
Definition
-concurrent infection
Term
How do we diagnose calcaneon bursitis?
Definition
-history and clinical signs
-rads
-0US: may or may not communicatewith the true bursa
Term
How do we treat calcaneoun bursitis in the horse?
Definition
-prevention of continued trauma
-small swellings may only be cosmetic
-systemic and topical anti-inflammatories
-drainage and injection of corticosteroids
-draining, infected masses may requirewound debridement and lavage
Term
What is the prognosis for equine calcaneoun bursitis?
Definition
-good for small acute swellings
-large chronci swelling can be difficutl to resolve but most are cosmetic
-draining, infected masses carry a guarded prognosis
Term
What commonly causes proximal physeal tibial fractures?
Definition
-lateral kicking insult in foals
Term
What commonly causes stress fractures in tibia?
Definition
-heavily trained athletes
Term
What commonly cuases diaphyseal tibial fractues?
Definition
-external trauma to the loaded limb
Term
What commonly causes tibial crest fractures?
Definition
-jumping injury (direct trauma)
Term
What are the clinical signs of tibial fractures?
Definition
-acute lameness following stress
-NWB lameness-soft tissue swelling
Term
How do we diagnose tibial fractures?
Definition
-rads
-nuclear scintigraphy
Term
HOw do we treat tibial fractures?
Definition
-appropriate first aid
-stall confinement: stress andn non-displaced tibial crest fx
-internal fixation: proximal physeal, diaphyseal, displaced tibial crest fxx
Term
What is the prognosis of tibial fractures in the hrose?
Definition
-foals = guarded
-adults = grave
Term
What can cause a stay apparatus disruption?
Definition
-ruptures peronious tertius
-ruptered gastrocnemius m
Term
What causes ruptured peronious tertius?
Definition
-over extensionof the hock while the stifle is held in flexion
-origin ruptures generally occur as avulsions in foals
Term
What kind of ruptured peronious tertius in adults?
Definition
-mid-body
Term
How do we diagnose ruptured peronious tertius?
Definition
-characteristic gait: when horse is walked the tarsus extends more than expected
-US
Term
How do we treat ruptured peronious tertius?
Definition
-extended stall rest: 3+ months
-serial US
Term
What is the prognosis of ruptured peronius tertius?
Definition
-guarded
Term
In whch age group does ruptured gastroc m occur most frequently?
Definition
-foals/young horses
Term
What usually causes ruptured gastrocs?
Definition
-trauma or fatigue
-usually avulses from the cuadal femur rather than tendon rupture
Term
How do we diagnose ruptured gastroc?
Definition
-tarsus collapses while stifle is still extended
-US
Term
How do we treated a ruptured gastroc?
Definition
-external coaptation for several weeks: tube cast or heave full limb splint bandage
Term
What is the prognosis of ruptured gastroc?
Definition
-fair to good
Term
What is fibrotic myopathy?
Definition
-unilateral mechanical lameness characterized by a shortened cranial phase of stride where the foot abruptly slaps the ground most notably at the walk or trot
-does not respond to local analgesics
Term
How do we diagnose fibrotic myopathy?
Definition
-characteristic gait with palpable fibrosis
Term
HOw do we treat fibrotic myopathy?
Definition
-transection or excision of the fibrotic mass
-tibial insertion tenotomy
Term
What is the prognosis of fibrotic myopathy?
Definition
-good
Term
What is stringhalt?
Definition
-relfex hypertonia characterized by rapid flexion of hte hind limb(s)
Term
What are the two subgroups of stringhalt?
Definition
-plant associated stringhalt
-idiopathic stringhalt
Term
How do we diagnose stringhalt?
Definition
-characteristic gait: picks foot waaaaay high off the ground q
Term
How do we treat stringhalt?
Definition
-prevent ingestion fo the plant
-lateral digital extensor myotenectomy
Term
What is the prognosis of strighalt?
Definition
-plant-associated = fair
-idiopathic = guarded
Term
What does a stifle ligament injury look like?
Definition
-acute, moderate to severe lameness
-mild-moderate stifle effusion
-rad exam of the stifle may be normal or show chronic, degen changes
Term
How do we diagnose stifle ligament injury?
Definition
-rads
-US
Term
How do we treat stifle ligament injury?
Definition
-rest, rehab, and anti-nflammatories
Term
What are the 4 possible stifle ligament injries?
Definition
-meniscal ligs
-cruciate ligs
-collateral ligs
-patellar ligs
Term
What is the most common soft tissue injury in the stifle? Prognosis?
Definition
-meniscal ligament injruy
-fair prognosis
Term
What is the prognosis of a cruciate ligament injury?
Definition
-poor
Term
What is the typical cause of a medial collateral ligament injury? Prognosis?
Definition
-external trauma
-guarded
Term
What kind of hrose most commonly gets patellar ligament desmitis? Prognosis?
Definition
-jumpers
-guarded
Term
What is upward fixation of the patella?
Definition
-inabilit to release the passsive stay apparatus and replace the patella into the trochlear groove of the femur
-limb is fixed in extension
-inability of the quads to elevate the patella sufficiently
Term
What are the clinical signs of upward fixation fo the patella?
Definition
-history of locking
-femoropatellar effusion
-mild-mod lameness
-horses may present with persistent fixation, with the limb fixed in extension dragging behind
Term
How do we treat upward fixation of the patella?
Definition
-training alterations
-patellar ligament blistering
-madial patellar ligament splitting
-medial patellar desmotomy
Term
What is the prognosis of an upward fixation of the patella?
Definition
good
Term
What is the general cause of lateral patellar luxation in pony foals?
Definition
-congenital
Term
What are the clinical signs of lateral patellar luxation?
Definition
-characteristic crouched posture
Term
How do we diagnose lateral patellar luxation?
Definition
-history and lcinical signs
-rads:skyline projection of the stifle
Term
How do we treat lateral patellar luxation?
Definition
-lateral release with medial imbrication
-sulcoplasty
Term
What is the prognosis of lateral patellar luxation?
Definition
-good
Term
What age group of horses is most predisposed to femur fractures? Causes?
Definition
-young horses
-foals direct trauma from kick or being stepped on by the mare, injury occurred durng falls while halter breaking
Term
What are the clinical signs of femur fractures?
Definition
-distal and diaphyseal fractures: soft tissue swelling, NWB lameness
-proximal (capital physeal fractures): mod lameness
Term
How do we diagnose femur fractures?
Definition
-palpation
-rad
Term
How do we treat femur fractures?
Definition
-foals: intternal fixation
-yearlings
-adults: euthanasia
Term
What is the prognosis of femur fractures?
Definition
-guarded
Supporting users have an ad free experience!