Old EQMI Exam #1?

Which is a very common conformational flaw of the hind limb in horses?

Cow-hocked external rotation

What structure must be ruptured if a horse can flex the hock while the stifle is extended?

Peroneus tertius

Which horse does NOT look like it is due for a trim?

A

What condition is this?

Pastern OA

What condition is this?

Bone spavin - distal tarsal joint osteoarthritis

Which AAEP lameness score means lameness is consistently apparent under certain circumstances like circling or hard surfaces?

2

Which AAEP lameness score means lameness is obvious at a walk?

4

Which AAEP lameness score means lameness is not perceptible under any circumstances?

0

A horse is lame and flexion tests and hoof testers are negative. What is the next step?

Nerve blocks

Which equine nerve block best blocks the entire fetlock?

Low 4-point block

Which image best visualizes the pastern joint?

A

Which radiographic view is this?

Dorsolateral-palmaromedial oblique (DLPMO)

Which radiographic view is this?

Dorsomedial-palmarolateral oblique (DMPLO)

Which radiographic view is this?

Dorsomedial-palmarolateral oblique (DMPLO)

Which radiographic view is this?

Dorsolateral-palmaromedial oblique (DLPMO)

Which flexor tendon injury is shown in the image?

DDF

For nuclear scintigraphy

hydroxyapatite is formed by osteoblasts in areas of what type of bone formation?, Active bone formation

If a nail pokes through the foot, which location causes the least amount of damage?

1

What farrier tool is used to trim the hoof wall?

Nippers

What farrier tool is used to remove a horseshoe?

Shoe puller

What are the bent-over ends of horseshoe nails called?

Clinches

If a nail sticks near the navicular region, what structure is affected?

Impar ligament

What is the most common sign of navicular syndrome in horses?

Bilateral short choppy stride

What is the yellow arrow pointing to?

Enthesiophyte - bony proliferation where a tendon or ligament attaches

What is the yellow arrow pointing to?

Enthesiophyte, at insertion of navicular suspensory ligament

What is an osteophyte?

Bony projection at a joint margin

What is the difference between osteophytes and enthesiophytes?

Osteophytes occur at joint margins; enthesiophytes occur where tendons or ligaments attach

What is NOT a goal of shoeing a navicular horse?

Lowering the heel

What is the causative agent of thrush and white line disease in horses?

Fusobacterium necrophorum

What is the fastest way to resolve a hoof abscess in horses?

Pare out the abscess and establish ventral drainage

Which joint is "almost fused" here?

Hock: Distal intertarsal joint

What is NOT a normal characteristic of equine synovial fluid?

Clots and yellow appearance

What is normal WBC count in equine synovial fluid?

Under 500 cells/µL

What is normal total protein in equine synovial fluid?

Under 2 g/dL

Which Salter-Harris fracture type is shown?

Type II

A horse has a dropped elbow, cannot fix the carpus, and cannot extend the limb. What are differentials?

Humeral fracture; radial nerve injury; stay apparatus failure; olecranon fracture

Where does bog spavin occur?

Tibiotarsal joint

What is going on?

Thoroughpin

What is going on?

Curb (plantar ligament desmitis)

What percentage of animals with back problems also have limb lameness?

75%

What is NOT part of the Quarter Horse genetic 5-panel?

Plantar ligament desmitis

What are the best treatments for severe HYPP episodes?

IV dextrose; calcium gluconate; oral acetazolamide

Which equine genetic Big 5 disease is always fatal and recessive?

Glycogen branching enzyme deficiency

Which equine genetic Big 5 disease causes rapid topline atrophy in AQH and APH?

Myosin-heavy chain myopathy

What percentage of horses with hypoglycin A myopathy from box elder trees survive?

Under 25%

What is the most common causative agent of clostridial myositis in horses?

Clostridium perfringens

How do you treat clostridial myositis after IM Banamine injection?

KPen; metronidazole; surgical debridement; IV Banamine; supportive NSAID

How do you treat sporadic exertional rhabdomyolysis in horses?

Minimize movement; calm horse; IV fluids; NSAIDs; stimulate diuresis; rest

Which horse is most likely affected by recurrent exertional rhabdomyolysis?

Young fit nervous triggered female Thoroughbred

What should you tell an owner asking about a PSSM2 genetic test for their Warmblood?

There is no valid genetic test for this disorder and you do not advise doing it