Endocrine: Thyroid Flashcards
1
Q
when is the best time to give levothyroxine?
A
in the AM before any meds or food
- improves absorption and prevents insomnia
2
Q
how does PTU work?
A
inhibits formation of new TH without affecting existing THs
3
Q
anti-thyroid meds can suppress. . .
A
bone marrow
4
Q
what labs should you monitor with RAI
A
- WBC (L)
- RBC (L)
- platelets (L)
5
Q
what side effects should a nurse watch for with RAI to treat hyperthyroid of thyroid cancer
A
- neck tenderness and swelling
- N/V
- dry mouth
- taste changes
6
Q
what should clients avoid while taking PTU?
A
foods high in iodine (Seafood, kelp, iodized salt)
7
Q
hyperthyroid pathophysiology
A
- No TSH needed
- Lots of TH
- Lots of T3, T4, Calcitonin
8
Q
hyperthyroidism risk factors
A
- women
- genetics
- Graves
- increased iodine
- recent pregnancy
- smoking
- autoimmune disorders
9
Q
hyperthyroidism labs
A
- TSH (low)
- T4 (high)
- T3 (high)
- RAI (high)
10
Q
hypothyroid pathophysiology
A
- tons of TSH needed
- low to no TH
- low to no T3, T4, calcitonin
11
Q
hypothyroid risk factors
A
- women 30-60 years
- close relative with autoimmune condition
- thyroid surgery
- radiation to neck
- iodine deficiency
- Hashimoto’s
12
Q
hypothyroidism lab results
A
- TSH (high)
- T4 (low)
- T3 (low)
- Calcitonin (low)
13
Q
TSH normal range
A
0.35-5.0
14
Q
T3 normal range
A
80-200
15
Q
T4 normal range
A
4.5-11.5
