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Question 20 (part 2) · LEK · Sodium balance

An 80-year-old female, who has neither eaten nor drunk for the previous 48h due to general malaise, is transferred to A&E. Her blood pressure is 80/50 mm Hg, while her pulse is 96/min. Her serum sodium concentration is 154 mmol/l and her potassium concentration is 4.8 mmol/l. The patient’s oral mucosa is dry. Which of these intravenous infusions should be administered first?

  1. A. 5% glucose solution.
  2. B. 10% glucose solution.
  3. C. 20% glucose solution.
  4. D. 0.9% saline solution.
  5. E. 8.4% sodium bicarbonate solution.
Hint

Hypotension and tachycardia set what priority before the sodium level itself is corrected?

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