05 - 30 yo F with palpitations Flashcards
what are the most common manifestations of Graves opththalmopathy?
- eyelid retraction
- exophthalmos
primary symptoms of the eye manifestations of Graves disease are related to ______________ from ____________
- corneal irritation
- eyelid retraction
how can anemia cause palpitations?
sinus tachycardia due to reduced oxygen carrying capacity in the blood
what is the cause of pretibial myxedema seen in Graves disease?
deposition of hyaluronic acid in the dermis and subcutaneous tissues
what is the reason for increased thyroid hormone seen in thyroiditis?
thyroid hormone leaks from an inflamed thyroid
what is the normal radioactive iodine uptake amount?
15-30%
what are the “high RAIU” thyroid diseases?
- Graves
- multinodular goiter
- toxic solitary nodule
- TSH secreting pituitary tumor
- HCG seccreting tumor
what are the “low RAIU” thyroid diseases?
- subacute thyroiditis
- silent thyroiditis
- iodine induced
- exogenous L-thyroxine
- struma ovarii
- amiodarone
what is the role of US in the diagnosis of thyroid disease?
- evaluation of thyroid nodules and thyroid enlargement but not hyperthyroidism
- US characteristics of a nodule can be used to stratify risk of malignancy and guide FNA for nodules not easily palpated
what is the most serious side effect of methimazole?
agranulocytosis (1%)
how long does it take to suppress thyroid production?
3 months
what is the follow up treatment for radioactive iodine therapy?
- need to be seen within a few months
- TSH drawn every 2-3 months until stabilized
