- Created by: Sarah_SVN
- Created on: 12-04-19 11:45
What normally happens in the thyroid glands?
Normally T4 is produced by the thyroid glands and converted into T3 (tri-iodothyronine) in all the body tissues.
This is then used for metabolic processes in the body and growth and development, including hair follicles.
What is the pathogenesis of a patient with hypothy
There is a decrease in production of T4, so the bodys metabolic rate is reduced.
More common in dogs - golden retreivers, labs, boxers, great danes and cocker spaniels.
What are the primary hypothyroidism causes?
Primary = Actual changes to the thyorid glands
Acquired: Destruction of the thyroid tissue ususally via lympocytic thyroiditis. 90% of all cases.
What is the secondary hypothyroidism cause?
Problems with the pituitary glands so reduction in TSH (thyroid stimulating hormone) being produced.
What may be an Iatrogenic cause of hypothyroidism?
Following surgical removal of the thyroid glands. E.g. cats who have had hyperthyroidism.
How is hypothyroidism diagnosed?
Combination of clinical signs and blood results showing the following:
- Non regenerative anaemia
- Low T4, elevated TSH
TSH stim test may also be required.
What are the clinical signs of hypothyroidism?(7)
Lethargy and exercise intolerance
Weight gain but normal appetite
Thickened pigemented skin
What is the treatment/nursing care of a patient wi
Keep warm as they cannot increase their own body temperature
Regular monitoring of T4 levels
Synthetic T4 supplementation