gestation length of horses
330-360 days
what is the most common non pathogenic heart arrhythmia in horses? does it need treatment?
2nd degree AV block
no treatment needed
what is the most common pathologic arrhythmia in horses? what should it be treated with?
atrial fibrillation, none or quinidine
shock organs of the horse
lungs and colon
give a very brief description of laminitis
it usually occurs in the front feet and rads show the coffin bone rotated towards the ground with decreased sole depth
tx with icing, deeply bedded soles, trimming,etc.
what is a risk factor for navicular syndrome?
small feet
rads of navicular syndrome would show what?
enlarged nutrient foramen, increased medulla density, severe cases will have medulla + cortex indistinguishable, osteophytes
high ringbone
pastern OA
low ringbone
coffin OA
bone spavin
hock OA
bog spavin
tibiotarsal joint effusion
is it worse for a horse to get a laceration to an extensor or a flexor
flexors
most common flexural deformity of foals
carpus and fetlock
FPT IgG <
800 mg/dl
most common location for ascarid impactions in horses
ileocecal junction of younger horses
whos prone to colonic impaction?
mini horses or older horses with poor dental care and decreased water intake
you are rectally a horse with colic and feel tight bands, what do yo suspect?
colonic displacement
a horse is having mild colic signs and on AUS you can’t see the L kidney, what do you suspect ?
nephrosplenic entrapment
what type of colic are broodmares prone to?
large intestine volvulus and torsion just before or 4 months postpartum
what diet can predispose to enterolith formation?
alfalfa hay and/or sandy soil
on exam of a horses hindlimb you can extend the hock and flex the stifle at the same time.. what has happened?
peroneus tertius rupture
Gasterophilus
bot fly larvae aka the stomach worm. Typically does not cause clinical signs
Causes of oxidative denaturation of hemoglobin in horses (heinz body anemia)
phenothiazines, methylene blue, acetylphenyl hydriazine, low molybdenum diet, rye grass diet, brassica family, onions, wilted red maple leaves