Hyperthyroidism Flashcards
Hyperthyroidism has elevated ___ and low ____ levels
elevated T3/T4
low TSH
Most common cause of hyperthyroidism …
Graves dz
When seen on thyroid scan, the thyroid of a pt with graves dz…
lights up the whole thing
DDx of hyperthyroidism…
Graves, toxic multinodular goiter, Hashimotos, TSH secreting pituitary adenoma
S/s of hyperthyroidism…
palpitations, tachycardia, AFib, weight loss, agitation, irritability, anxiety, heat intolerance, exophthalmos, goiter, tremor
What bone condition is a complication of hyperthyroidism?
osteoporosis
Thyroid storm is comprised of what 4 sx?
racing heart, sweating, confusion, agitation
Tx for a pt with hyperthyroidism who is pregnant? not pregnant?
Pregnant–> propylthiouracil
Not Pregnant–> Methimazole
ADRs of methimazole
agranulocytosis, increased LFTs and rash
T/F Exophthalmos, once present, may not resolve
True
Adjunct tx for s/s of hyperthyroidism…
BBlockers
BZD
What medication can cause hyperthyroidism?
Amiodarone
Do you screen for hyperthyroidism with TSH or free T3/T4?
TSH
What is the name of the screening tool we use for GAD (generalized anxiety d/o)?
GAD-7 questionnaire
Elevated TSI and TII are specifically indicative of what?
Graves dz, NOT nodule
Can a radioactive iodine scan help differentiate between thyroiditis and Graves’ Dz?
Yes
Is T3 converted to T4 peripherally, or T4 to T3?
T4 to T3
In a pt with thyroiditis, they will often have pain in their ____ after what type of illness?
throat, URI
Does thyroiditis typically require tx?
generally does not need tx
Start off hypo then go hyper then level off → “it’ll burn out”
A grave’s dx pt is or is not more susceptible to thyroid CA?
is not!