Thyroid Flashcards
1
Q
beta HCG
A
causes raised T4, and low TSH, increased TBG and iodine clearance
2
Q
Overt hypothyroidism
A
High TSH >2.5, and reduced FT4 FT3 OR TSH >10 regardless of levels
3
Q
Subclinical hypothyroidism
A
TSH 2-5-10 with normal FT3 and FT4
Unclear effect of neurocognitive
4
Q
Hyperthyroidism
A
TSH <0.1, high FT3 4,
5
Q
Subclinical hyperthyroidism
A
normal TSH, high 3 and 4
6
Q
Screening is controversial, if thyroid ab positive, with normal TSH
A
Monitor every week
7
Q
TSH R ab can cross placenta
A
May cause neotanal thyrotoxicosis
8
Q
Carbimazole 2nd/3rd t
A
due to risk of aplasia cutis in 1st trimester
