Cushings, Addisons, Hyperaldosteronism

Question 1

investigation for diabetes insipidus

Answer 1

water deprivation test with desmopressin

Question 2

water deprivation test results

Answer 2

if osmolality increases, its cranial (because its worked on the kidneys and shown there’s a lack)

if osmolality doesn’t increase, its nephrogenic (because the desmopressin hasn’t worked)

Question 3

what medication causes nephrogenic diabetes insipidus

Answer 3

lithium

Question 4

pituitary adenoma visal symptom

Answer 4

bitemporal hemianopia

Question 5

first line investigation acromegaly

Answer 5

serum IGF1