Diabetes Insipidus Flashcards
1
Q
diabetes insipidus
A
abnormal quantity/response to ADH
2
Q
causes
A
cranial:
trauma
infection
inflammation
nephrogenic:
lithium
electrolyte imbalance
CKD
3
Q
signs
A
large volumes of urine
low osmolality
excessive thirst
nocturia
4
Q
investigations
A
water deprivation test/desmopressin
5
Q
management
A
cranial:
desmopressin
nephrology:
thiazide diuretic
6
Q
what are the causes for a quantity and response issue
A
quantity - cranial
response - nephrogenic
7
Q
what will be the results of the investigations
A
high plasma osmolality
low urine osmolality
8
Q
what are the results from a water deprivation test
A
cranial - low after fluid deprivation, high after ADH
nephrogenic - low after fluid deprivation and after ADH
primary polydyspesia - high after fluid deprivation and after ADH
