Endocrine Flashcards
AM hyperglycemica triggered by insulin related hypoglycemia
somogyi effect
AM hyperglycemia triggered by physiological release of cortisol growth hormone and catecholamines
dawn phenomenom
what are increased levels of beta-hydroxybutyrate diagnostic of?
DKA
what is sipple syndrome
MEN2a hyperparathyroid, medullarly thyroid chancer, pheo
2 hormones released by the posterior pituitary
oxytocin and ADH
stimulates testosterone production in men and ovary estrogen and progesterone production in women
LH
spermatogenesis in men and develops ovarisn follicle in women
FSH
tx for prolactinoma
dopamine agonists (cabergoline, bromocriptine) (caber is better tolerated)
deficiency of vasopressin that causes increased thirst and large quantities of urine with low specific gravity
Diabetes insipidus
common med that causes diabetes insipidus
lithium
Tx for diabetes insipidus
Desmopressin
Ectopic production of vasopressin that causes excessive vasopressin/ADH. Hyponatremia.
SIADH
Tx of SIADH
d/c hypotonic fluids, restric free water. if bad hypertonic NaCl
autoimmune disorder with autoantibodies to TSH associated with pernicious anemia, myasthenia gravis, DM, addison’s, celiac disease
Graves’ disease
Type of thyroid cancer associated with MEN type 2
medullary carcinoma
tumor marker in medullary carcinoma of the thyroid
calcitonin
what does parathyroid hormone do?
increases serum calcium, decreases serum phosphorus
What does PTH do in the kidney
increaes Vit D, increases calcium reabosprtion. Decreas reabsorption of phosphate and bicarb
bones, stones, abdominal groans, psychic moans and fatigue overtones
hyperparathyroidism
presents with tetany, muscle cramps, paresthesias around mouth and hands.
hypoparathyroidism
what will DTRs be like with hypoparathyroidism
hyperactive DTRs
labs with hypoparathyroidism
low serum calcium, high serum phosphate
Tv for hypoparathyroidism
IV calcium gluconate, oral calcium
2 drugs that reduce serum vitamin D levels
phenytoin, phenobarbital