Endocrine Flashcards
hypothyroidism labs
elevated TSH > 5.0
order TSH, free T4 and T3
low T4, low/normal T3
myxedema
associated with hypothyroidism
skin thickening or swelling, non-pitting edema
Graves Disease is hyper or hypo-thyroid?
HYPERthyroid
refer all hyperthyroid patients to ENDO
What does TSH look like in Graves disease?
TSH is low < 0.1
what is subclinical hypothyroidism?
TSH is elevated with a normal T4.
recheck TSH in six months.
may eventually develop into overt hypothyroidism
fructosamine test
Fructosamine test- measures overall blood glucose levels in diabetics over 2-3 weeks
lab levels associated with addison’s dx?
sodium, potassium, cortisol
LOW sodium
HIGH potassium
LOW cortisol
signs and symptoms of addison’s disease
hyperpigmentation, fatigue, weight loss, low BP, crave salt
labs for hyperthyroid
TSH, T4, T3
low TSH
high T4, high/normal T3
weight loss, tachycardia, sweating, insomnia, diarrhea are signs of hypo or hyper-thyroid?
hyperthyroid (Graves)
medications for hyperthyroid
Methimazole (Tapazole)
Propylthiouracil (PTU)
radioactive iodine
how to dose Synthroid in the elderly.
start levothyroxine at 25mcg daily, increase by 25mcg every 3-6 weeks until normal TSH.
not enough cortisol vs too much cortisol:
Addison’s or Cushings?
Addisons is not enough cortisol. Cushings has too much cortisol.
What is a (+) diagnosis for diabetes?
- fasting blood sugar above ____.
- Hgb A1C above ____%.
- random BS above ___.
- 125 x2
- 6.5%
- 200
What hgb A1C determines pre-diabetes?
5.7-6.4%
