SIADH Flashcards
1
Q
A 53 year old woman has anorexia and increasing breathlessness. She has stage 4 adenocarcinoma of the lung and now requires full support with her activities of daily living. She takes diazepam, cyclizine and zopiclone.
Investigations:
Sodium 122 mmol/L (135-146)
Potassium 3.2 mmol/L (3.5-5.3)
Urea 6.2 mmol/L (2.5-7.8)
Creatinine 58 mmol/L (45-95)
Which is the most appropriate management of her electrolyte disturbance?
1.8% sodium chloride by intravenous infusion
DDAVP nasally
Demeclocycline orally
Fluid restriction
No treatment indicated
A
E. No treatment indicated
Explanation:
Although she likely has SIADH, she is asymptomatic from this and so no palliative treatment of this is necessary.
