Hypothyroidism Flashcards
1
Q
Secondary hypothyroidism is caused by?
A
Deficiency of pituitary TSH
2
Q
Primary hypothyroidism is caused by?
A
Physical failure such as goiter
3
Q
What’s the most common cause of hypothyroidism?
A
Autoimmune thyroiditis
4
Q
Physical manifestations of hypothyroidism?
A
Pretibial myxedema, dry skin, enlarged thyroid
5
Q
Diagnosis?
A
Serum TSH is high in primary, but low in secondary, along with FT4 as well
6
Q
Is radiological imaging necessary for hypothyroidism?
A
No
7
Q
Treatment
A
Levothyroxine 1.6mcg/day for young and middle aged adults
8
Q
How soon can Levothyroxine dosages be increased until patient is euthyroid?
A
1-3 weeks by 25mcg
