THYROID 3 Flashcards
4 DISORDER OF THYROID GLAND
abnormal secretion of thyroid hormones (t3 and t4)
inflammatory/immune
goiter- adenoma
tumors
main effects of disorders of thyroid gland are caused by
abnormally high or low basal metabolic rate
hyperthyroidism is also known as
thyrotoxicosis
what is a common consequence of hyperthyroidism is older people
cardiac failure
hyperthyroidism can cause (3)
graves disease
toxic nodular goiter
adenoma
hypothyroidism can cause
myxoedema
what is cretinism
absence/definciency of thyroid evident soon after birth
where is hyothyrroidism common
parts of the work where the diet is missing iodine
absence of thyroid hormone results in
profound impairment of growth and mental development
what is myxoedema
abnormally low metabolic rate from lack of thyroid hormones
who is myxoedema common in
elderly and females
who does graves disease affect most
women age 30-50
what is graves disease
autoimmune disorder where antibody mimics the affect of thyroid stimulating hormone (over stimulating)
what does graves disease cause
hyperthyroidism
goitre
exophthalmos-> eye buldging
subacute granulomatous (de queurvain’s) thyroiditis is
constant fluctuation between normal, hyper and hypo
de queurvain’s) thyroiditis sonographic appearance
enlarged, poorly delineated, vas is normal or hypovasc
toxic nodular goitre is what
nodules affected by goiter cause hyperthyroidism
toxic nodular goitre is more common in what gender?
women
toxic nodular goitre causes what
arrhythmia and heart failure
what is most common type of hypothyroidism
hashimotos disease
hashimotos disease is more common in what gender?
women
what type of disorder is hashimotos disease
autoimmune
sonographic pattern of hashimotos disease
coarse echotexture, tiny hypoechoic nodules, interspersed with echogenic fibrous bands
