Diseases of the Pituitary Gland (and PU/PD)

Question 1

what are the diabetogenic hormones?

Answer 1

glucagon
growth hormone
cortisol
epinephrine
progesterone- gestational

Question 2

what is acromegaly usually from in dogss?

Answer 2

progesterone causing growth hormone release from the pituitary and mammary glands

Question 3

how can you test for acromegaly?

Answer 3

growth hormone levels
IGF-1 levels
CT or MRI

Question 4

what is polydipsia?

Answer 4

> 100 ml/kg/day

Question 5

what are the causes of primary polyuria?

Answer 5

central diabetes insipidus
primary nephrogenic diabetes insipidus
secondary nephrogenic diabetes insipidus

Question 6

what is central diabetes insipidus?

Answer 6

lack of production of ADH by the hypothalamus, or release by posterior pituitary

Question 7

what can cause ADH interference?

Answer 7

hyperadrenocorticism
E. coli pyometra/UTI

Question 8

how can you measure GFR?

Answer 8

creatinine clearance
nuclear scintigraphy
iohexol clearance

Question 9

when should you conclude a modified water deprivation test?

Answer 9

concentrated urinee
patient becomes dehydrated/azotemic/ill
serum osmolality > 320 mOsm/kg
3-5% body weight lost