Graves disease Flashcards
what is it
autoimmue condition i which the immune sytsem attacks thyroid gland
what anitbody does the immune system produce in graves disease
thyroid stimulating immunoglobulin - TSI
action of TSI
mimics the action of thyroid stimulating hormone which normally regulates thyroid hormone productio
causing the thyroid to become overactive and secrete excessive amounts of thyroid hormones
risk factors for graves
family histroy
women
environmental factors
20s-50s
investigations
low TSH
raised t3 and t4
hypercalcaemia
raised alp
low white cell count
TSH receptor antibody
autoantibodies in graves
Anti TPO 70-80
anti thyroglobulin 30-50
tsh reeptor antibody- 70-100
specific graves signs
pretibial myxoedema
thyroid bruit
thyroid acropachy
what is thyroi bruit
bnormal sound that can be heard during a physical examination over the thyroid gland, typically when using a stethoscope. This sound is often described as a whooshing or swishing noise and is produced by turbulent blood flow in the arteries or veins that supply the thyroid gland.
graves eye disease
20% of graves patients
assoc with smoing
can be unilateral
if mild treat with lubricants - topically
if severe- steroids