Endocrine Flashcards
Sulfonylureals (glyburide)
hypoglycemia
Amylin analogues (pramlintide)
hypoglycemia
Insulin
hypoglycemia
Metformin
lactic acidosis
don’t use in renal failure
diarrhea
Thiazolidinediones (pioglitazone)
CHF/fluid retention
GLP-1 analogues (exenatide)
pancreatitis
Grave’s disease
exophthalmos
thyroid bruit
diffuse uptake on thyroid scan
Thyroiditis
tender thyroid, post URI
Pituitary tumor
hyperthyroid
high TSH, T4, T3
surreptitious levothyroxine use
hyperthyroid
low uptake on scan
no URI
Placental abruption
vaginal bleeding
abdominal pain
Placenta previa
painless vaginal bleeding, often 30 weeks
placenta overlies internal cervical os
Placenta accreta
severe painless postpartum hemorrhage
previous C-section or previa
placenta villi on myometrium
defect in decidua basalis layer
Uterine Rupture
painful massive postpartum hemorrhage
Uterine atony
long labor, soft uterus
Sheehan syndrome
no lactation
DI after delivery
sometimes shock
per-partum pituitary hemorrhage
post menopausal vaginal bleeding
endometrial cancer until proven otherwise
need biopsy
Ectopic pregnancy
abdominal pain
LMP 6-8 weeks ago
UPT positive
adnexal mass
preeclampsia
severe HTN after 20 weeks gestation
proteinuira, end organ injury
w/ seizures = ecclampsia
HELLP Syndrome
preeclampsia
low platelets
elevated LFTs
hemolysis
post partum complications
depression
PE, cardiomyopathy
amniotic fluid embolism
Group B strep
cloudy amniotic fluid
septic newborn
Diabetic Ketoacidosis
low glucose
high potassium
pseudohyponatremia/low sodium
surreptitious insulin use labs
low glucose
low C-peptide
high insulin
insulinoma
high C peptide
Sulfonylureas MOA
secretagogue
makes pancreas secrete insulin
Metformin MOA
reduce hepatic glucose production
TZB MOA
decrease insulin resistance
Acarbose MOA
reduce glucose absorption
but flatulence
Lithium
diabetes insipidus
diabetes insipidus
high sodium
low urine osm (50-100)
lots of urine output
causes of high sodium
DI
dehydration
olanzapine
antipsychotic
associated with development of diabetes
elevated T3, T4, TSH
pituitary tumor producing TSH
drugs that can cause high WBC
PTU
sulfa drugs
hypothyroidism labs
low T3, T4
high TSH
Low T3, T4, TSH
hypopituitarism
euthyroid sick syndrome
Chvotsek sign
hypocalcemia
destruction of parathyroid glands
multiple myeloma mechanism
osteoclast activation by cytokines
prostate cancer mechanism
osteolytic bone involement by tumor
Addison’s disease
skin pigmentation - high ACTH
orthostatic changes in BP - loss of cortisol, aldosterone
low Na
high K
Adrenal Adenoma
low or high dose dexamethasone doesn’t suppress cortisol
congenital adrenal hyperplasia
21-hydroxylase
hyperaldosteronism
high bp
low K, high bicarb, normal Na
increased thirst
SIADH
low Na
euvolemic
high urine osmolarity
Central Pontine myelinolysis
rapid correction of low Na
dysarthria, dysphagia, paraparesis
cocaine
placental abruption