clinical thyroid Flashcards
1
Q
what is HP-T axis
A
hypo(TRH)>pit(TSH)> thyroid T3/4
2
Q
4 thyroid presentations
A
- hyper
- hypo
- mass effect
- associated issues
3
Q
hormones in primary hyper
A
TSH down, TH up
4
Q
hormones in secondary hyper
A
TSH up, TH up
5
Q
hormones in primary hypo
A
TSH down, TH up
6
Q
hormones in secondary hypo
A
TSH down, TH down
7
Q
presentation of hyper-thyroid
A
- hypermatabolism
- overactiv adrenergic system - anxiety etc
- may have orbiopathy if graves
8
Q
physical appearance in hyper
A
- general: warm, anxious, silky skin
- vitals: increased HR, syst. hypertension
- Eyes: stare, lid lag
- thyroid: enlarged, bruit
- neuro: tremor, proximal muscle weakness
9
Q
4 common causes of primary hyperthyroid
A
- graves disease
- multinodule goiter - benign
- toxic adenoma - benign
- subacute thyroidisitis
10
Q
how to identify hyper
A
increased radioactive iodone uptake
11
Q
what if uptake is low
A
- PT taking thyroid drugs
2. subacute thyroiditis - leaking
12
Q
treatment if uptake high
A
thionamide and B-bloacker
13
Q
treatment if uptake is low
A
B-blocker only
14
Q
4 treatment options for graves
A
- Thionamide drugs - block t3/4 production
- B-blocker - reduce symp symptoms
- radioactive iodine - kills cells
- surg
15
Q
hypo presentation
A
- everything slowed down
- constipation
- dry skin and hair
- swelling around eyes, heart and lung
