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Equine Set-Fast

Equine Set-Fast/Tying-Up Syndrome
Equine Set-Fast is also known as Equine Tying-Up Syndrome.  Other names by which Set-Fast Tying-Up Syndrome is known are– Transient Exertional Rhabdomyolysis (ER), Polymyositis, Azoturia, and Monday morning disease
Set-Fast or Tying-Up Syndrome manifests itself when the horse’s limbs become stiff when exercising or soon after.   Set-Fast or Tying-Up Syndrome can be very debilitating to the extent that the horse can barely move.  Set-Fast or Tying-Up Syndrome is likely to be a permanent problem.  
Set-Fast/Tying-Up Syndrome can vary from transient cramping to a more serious problem causing muscle destruction.

 

Symptoms of Equine Set-Fast/Tying-Up Syndrome

 

  • Stiffness
  • Hard painful and stiff muscles in the rear quarters
  • Heavy Perspiration
  • Reluctance to move
  • Lameness
  • Colic pain
  • Swelling of the feet (laminitis)
  • Tetanus
  • Trembling
  • Fast Pulse rate
  • Dehydration

 

 

Possible Causes of Equine Set Fast/Tying-Up Syndrome
Many people have found some of the following causes relevant to their particular case of Set Fast/Tying-Up Syndrome. Not all are proven. Usually some of the listed causes acting together – but all including an element of exercise, can cause Equine Set-Fast or Tying-Up Syndrome.

  • Over excitement
  • Feed Imbalance between diet and workload
  • Altered carbohydrate metabolism 
  • Hypotension
  • Lactate build up
  • Presence of ear ticks
  • A dearth of oxygen to the muscles
  • Selenium/Vitamin E deficiency
  • Hypothyroidism
  • Electrolyte imbalance
  • Poor Conditioning
  • Sudden increase in workload
  • Inclement wet cold or windy weather conditions
  • Genetics

 

Diagnosis and Treatment of Equine Set Fast/Tying-Up Syndrome
Your veterinarian will organise blood tests which will highlight any of the above causes for Equine Set Fast/Tying-Up Syndrome and recommend some of the following forms of treatment. There is no single cure as Set-Fast/Tying-Up Syndrome is a complicated disease.

  • Walking the horse in hand for mild cases – for severe of cases Set Fast/Tying-Up Syndrome do not move the horse
  • Pain killers such as Bute
  • IV fluids to correct imbalances
  • Corticosteroids
  • Muscle relaxants

 

 

 

 

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