Polyuria Interview Flashcards
1
Q
What is the first step in interviewing a patient with polyuria?
A
Differentiate from frequency, urgency, or nocturia
2
Q
What is a common associated feature of polyuria?
A
Polydipsia
3
Q
What is primary polydipsia?
A
Also called psychogenic polydipsia
Due to increase in intake of water
4
Q
What is primary polydipsia most commonly associated with?
A
Anxiety
5
Q
What is secondary polydipsia?
A
Due to
- Osmotic diuresis
- Decreased secretion of ADH
- Resistance to ADH
6
Q
Which type of polydipsia is more common: primary or secondary?
A
Secondary
7
Q
What is central diabetes insipidus?
A
Decreased secretion of ADH
8
Q
What is nephrogenic diabetes insipidus?
A
Resistance to ADH