Endocrine: Diabetes Insipidus Flashcards
1
Q
clinical characteristics of diabetes insipidus
A
24-hr urine volume > 40mL/kg
24-hr osmolality <280mosm/L
polyuria = urinary frequency, enuresis/nocturia
2
Q
the most common etiology of diabetes insipidus
A
primary deficiency of AVP secretion
3
Q
most common genetic form of pituitary DI
A
transmitted in an autosomal dominant mode & diverse mutation in AVP-NPII gene
4
Q
2nd type of DI etiology
A
primary polydipsia;due to supression of AVP secretion by excessive intake of fluids
5
Q
A
