Endocrine Flashcards
What is the diagnosis of type 1 diabetes based on?
Random blood glucose > 200 mg/dL & a hgb A1C > 7.0%
What are the cornerstones of treatment for type 2 diabetes?
Dietary adjustments along with weight loss, exercise therapy, and oral antidiabetic drugs
The diagnosis of _____ is made by demonstrating Whipple’s triad:
Insulinoma;
- Symptoms of hypoglycemia with fasting
- A glucose level below 50 w/ symptoms
- Relief of symptoms with administration of glucose
What is the single best test of thyroid hormone action at the cellular level?
The third generation of the TSH assay
The cardiac responses of hyperthyroidism are d/t direct effects of ___ on the myocardium & peripheral vasculature
T3
Which drugs should you give for hypotension in hypothyroidism?
Ephedrine, dopamine, or epinephrine. NOT Phenylephrine
What can you give for hypotension with hyperthyroidism?
Phenylephrine.
AVOID ephedrine, epi, NorEpi, & dopamine
Most pheochromocytoma secrete NorEpi in combination with a smaller amount of epi in a ratio of ______. What is it in a normal adrenal gland?
85:15; inverse of the secretion
Most frequent cause of death in period after pheochromocytoma surgery
Hypotension
________ is one of the few hormones essential for life
Cortisol
________ transiently inhibits cortisol synthesis and should be avoided in adrenal insufficiency
Etomidate
When do you check an intraoperative PTH assay on parathyroid surgery
Before & at 5 minute intervals after adenoma removal to confirm a rapid fall to normal
What are the most common causes of SIADH
Small cell carcinoma & carcinoid tumors