Flashcards in hyperthyroidism Deck (27)
what Ab can you test for hyperthyroidism?
what antibodies would you find in someone with Graves?
graves opthalmopathy is assc'd with which risk factors? (3)
2. high TSI
3. high I131
tx of graves that slow conversion of T4?
1. beta blockers
tx of graves that fxn as antithyroids? (2)
SE assc'd with antithyroids
1. liver toxicity
how long can antithyroid meds be used?
under 2 yrs
why tx someone with iodine a week before thyroidectomy?
1. decr T4
2. decr vascularity
besides iodine, what else to prescribe person before thyroidectomy?
2. beta blockers
multiple autonomously functioning nodules that form a toxic goiter
single autonomously functioning nodule
autonomously functioning nodules are typically seen in what patient population?
uptake and scan with diffuse distribution, normal or high uptake
uptake and scan with focal areas of hyperactivity, normal or high uptake
autonomously functioning nodules
what is the radioactive tx for hot nodules
thyroiditis causes thyroid uptake to be ____
hyperthyroidism with low thyroid uptake
tx of thyroiditis (3)
3. beta blockers
type 1 amiodarone induced hyperthyroidism AKA?
Jod Basedow phenomenon (incr synthesis)
mechanisms by which amiodarone causes hyperthyroidism (2)
1. jod basedow phenomenon (type 1 AIH)
2. thyroiditis (type 2)
how can you tx type 2 amiodarone hyperthyroidism
what is the only way to decr T4 levels in a person with amiodarone-induced hyperthyroidism?
how to work up TSH producing pit adenoma? (2)
1. high alpha subunit
tx of TSH producing pit adenoma (2)
1. surgery via transphenoidal resection
if T4 is elevated in pregnancy, how to tx?
1st trimester: PTU
2nd-3rd trimester: methimazole
in euthyroid sick syndrome, TSH is _____, FT4/T3 is ____, rT3 is _____
TSH is low, FT4/T3 is low, rT3 is high