Hypothyroidsim Flashcards
The endocrine system is a
Network of glands and organs that regulate hormone production
The thyroid gland is located
At the front of the neck
What are the functions of the thyroid gland ?
- help regulate metabolism
- produce hormones
What are the hormones produced by the thyroid gland
-T3 (tri-iodothyronine)
- T4 ( thyroxine )
- calcitonin
What regulates thyroid hormone production ?
Pituitary gland and hypothalamus
What is the function of TSH (thyroid stimulating hormone)
Controls the release of hormone to the blood
What is the function of TRH ( thyroid regulating hormone) ?
Stimulates the release of TSH
What’s does an increase in T3 & T4 cause ?
Decreased lvl of TSH
What does a decrease in T3 & T4 cause ?
Increase in TSH
What do T3 and T4 regulate ?
- phys growth and mental development ( heel prick test in newborns)
- metabolism
What’s is secreted by the parathyroid ?
PTH (parathyroid hormone )
What are some of the complications associated with the thyroid gland
-hypothyroidism
-hyperthyroidism
What is hypothyroidism ( hyxoedema) ?
Thyroid gland doesn’t produce enough thyroid hormones
What are the S+S of hypothyroidism ?
-fatigue
-^ sensitivity to cold
- constipation
- dry skin + thinning hair
- hoarseness
- muscle + joint probs
- ^ blood cholesterol lvl
- menstrual changes
- depression
-impaired memory
- slowed HR
- goitre
What is goitre ?
Enlargement of the thyroid gland