Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
42 Cards in this Set
- Front
- Back
|
FTI=
|
free T4
|
|
|
what are lab values in normal thyroid case
|
T4=normal
RT3U=nomral FTI=normal |
|
|
what are lab values in estrogen replacement
|
T4=up
RT3U=down FTI=normal |
|
|
what are lab values in hyperthyroid case
|
T4=up
RT3U=up FTI=up |
|
|
what are lab values in hypothyroid case
|
T4=down
RT3U=down FTI=down |
|
|
in classic failure what should happen to the TSH level
|
high
|
|
|
in nonclassic failure what should happen to TSH level
|
should be low or normal
|
|
|
what kind of failure if T4 increases on TRH stim test
|
teritary = hypothalmus
|
|
|
what kindn of failur if T4 remains unchanged with TRH stim test
|
seconday failure = pituitary
|
|
|
all cold nodules are what until proven otherwise
|
malignant and need a biopsy
|
|
|
most common type of hypothyroidism
|
classic T4 down and TSH up
|
|
|
what are presenting symptoms of hypothyroidism
|
skin is cool, course, rough and dry
periorbital edema brittle hair, alopecia arthralgias, myalgias decreased reflexes constipation and weight gain low voice and irregular menses |
|
|
what are some common labs for hypothyroid
|
anemic
decrese free water clearance elevated CPK elevated cholestrol |
|
|
what other disease presents with decreased free water clearance
|
SIADH
euvolemic hyponatermia |
|
|
most common cause of hypothyroidism in US
|
hashimotos thyroiditis
|
|
|
what is cause of hashimotos
|
autoimmune
|
|
|
what is treatment for hashimotos
|
life long synthroid
|
|
|
if patient says they feel better on thyroid extract what do they mean
|
T3 is elevated so you should increase T4
|
|
|
what should you check in ablation patients
|
T4 and TSH yearly
|
|
|
what is myxedema coma secondary to
|
cold exposure or infection
|
|
|
myxedema coma does not correlate with what
|
T4 levels
|
|
|
treatment for myxedema coma
|
IV T4 and RX for infections
|
|
|
what are thyroid levels in thyrotoxicosis
|
T4 up
TSH down |
|
|
what are symptoms of thyrotoxicosis
|
fatigue, weakness, heat intolerance, palpitation, wt loss, insomnia and diarrhea
|
|
|
most common cause of thyrotoxicosis in US
|
graves
|
|
|
cause of graves
|
autoimmune
|
|
|
most striking feature of graves
|
exophthalmus
|
|
|
this generally follows viral infection
|
subacute thyroiditis
|
|
|
what are symptoms of subacute thyroiditis
|
neck pain, thyroid diffusely enlarged, fever, fatigue, ESR elevated, T4 anywhere
|
|
|
what is treatment for subacute thyroiditis
|
NSAIDS
|
|
|
what is treatment for subacute thyroiditis with increased T4
|
beta blockers
|
|
|
what is treatment for subacute thyroiditis with decreased T4
|
synthroid
|
|
|
what is one differential for graves disease
|
multinodular goiter
|
|
|
how do you differentiate between graves and multinodular goiter
|
one is lumpy bumpy and the other is diffusely enlarged
|
|
|
what do you have to be careful about with multi nodular goiter
|
thyrotoxicosis if given dyes
|
|
|
what types of patients get thyrotoxicosis factitia
|
obese trying to lose weight
athletes nuts |
|
|
how do you differintiate thyrotoxicosis fatitia from true hyperthyroidism
|
run a RAIU
|
|
|
what are labs on thyrotoxicosis fatitia
|
T4up
TSH down RAIU down |
|
|
what are treatments for thyrotoxicosis
|
drugs that inhibt T4
131 abalation drugs that block the action of catecholamines |
|
|
what is drug that inhibits T4 synthesis
|
propylthiouracil
|
|
|
131-ablation is not what
|
carcinogenic
|
|
|
what is the problem with 131 abalation
|
crosses the placenta
|
