Question 30 (part 2) · LEK · Sodium balance
A 72-year-old male with a recently diagnosed lung cancer has a serum sodium concentration of 119 mmol/l. The male is neither oedematous, nor dehydrated. A repeated intravenous infusion of 500ml of 0.9% saline solution has not increased the sodium levels. Which course of action should be followed to normalize the sodium levels?
- A. administer intravenous infusion of 3% saline solution.
- B. administer intravenous infusion of 10% saline solution.
- C. increase the intake of table salt
- D. decrease water intake.
- E. increase water intake.
Hint
Euvolaemic hyponatraemia in lung cancer that does not respond to isotonic saline points to a specific syndrome and its basic treatment.
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