SIADH Flashcards
1
Q
Where is ADH released from?
A
posterior pituitary gland
2
Q
What is the condition characterized by water retention d/t excessive ADH production?
A
Syndrome of Inappropriate ADH
3
Q
Causes of SIADH?
A
- CNS disorders
- Chronic lung diseases
- Cancer
- meds
- AIDS
- physiologic stress
- pain
- general anesthesia
4
Q
Lab findings for patient with SIADH?
A
- low serum Na
- low serum osmolality
- low BUN
- increased urine Na
- increased urine osmolality
- normal ACTH and cortisol
5
Q
Treatment of SIADH?
A
- tx underlying cause
- fluid restrictions
- 3% hypertonic soln for low serum Na/osmolality
- Salt tablets (mild/asymptomatic)
- loop diuretic
6
Q
What is the fluid restriction for a pt with SIADH?
A
500-1000 mL/day
7
Q
How often should serum Na levels be checked when treating a pt with acute SIADH (Na < 125)?
A
q2-4hrs
