Muscle Disorders of Horses Flashcards
Where is CPK/creatine kinase stored?
Skeletal and cardia muscle
When will CPK/CK be elevated?
Rhabdomyolysis
Brownish urine that does not clear on centrifugation + normal plasma color
Myoglobinura
Reddish plasma
Hemoglobinuria
If an animal has a painful gait and myoglobinuria, what can you diagnose?
Myopathy
In which horse breed is HYPP most common?
Quarterhorses
Mutation in skeletal muscle sodium channels in which the fail to inactivate (remain open) and cause hyperexcitability of the muscle
HYPP
What is the inheritability of HYPP?
Autosomal dominant
What e-lyte disorder results from HYPP?
Hyperkalemia
What are clinical signs of HYPP?
Muscle fasciculations followed by weakness, stiffness, prolapsed 3rd eyelid
What diet should you feed HYPP?
Low potassium (timothy hay) w/frequent small meals and regular exercise
What is myotonia?
Mild gait abnormality at start of exercise that then diminishes
Dive bomber electromyography indicates what disease?
Myotonia
What is a common name for myositis?
Tying up
A racehorse that has been overworked and presents with stiff gain, lethargy, and oliguria likely has what condition?
Myositis (tying up)
