A 56-year-old lady, who is a known case of lung cancer, presents with vomiting, headache and seizures. Investigations reveal serum osmolarity of 265 mosm/L (normal is 285-295 mosm/L) and a serum sodium level of 125 mEq/L (normal value is 136-152 mEq/L). Urine osmolarity is greater than 100 mOsm/L She has normal water intake. Which of the following drugs is useful for this patient?
A 56-year-old lady, who is a known case of lung cancer, presents with vomiting, headache and seizures. Investigations reveal serum osmolarity of 265 mosm/L (normal is 285-295 mosm/L) and a serum sodium level of 125 mEq/L (normal value is 136-152 mEq/L). Urine osmolarity is greater than 100 mOsm/L She has normal water intake. Which of the following drugs is useful for this patient?
💡 Explanation
A 56-year-old lady, who is a known case of lung cancer, presents with vomiting, headache and seizures. Investigations reveal serum osmolarity of 265 mosm/L (normal is 285-295 mosm/L) and a serum sodium level of 125 mEq/L (normal value is 136-152 mEq/L). Urine osmolarity is greater than 100 mOsm/L She has normal water intake. Which of the following drugs is useful for this patient?
✓ Correct Answer: D. Tolvaptan
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