Question 107 · LEK · Water balance

In the morning a 52-year-old patient comes to the emergency room because of weakness. He suffered from diarrhea and vomiting the last night just like his wife a few days earlier. He is not able to drink any fluids, his tongue is dry, the heart rate is 95 per minute and the blood pressure is 90/60 mm Hg. What should be the first step of the treatment?

  1. A. intravenous infusion of glucose 5% solution.
  2. B. intravenous infusion of multiple electrolyte solution.
  3. C. intravenous infusion of sodium bicarbonate solution.
  4. D. intravenous infusion of calcium gluconate solution.
  5. E. intravenous infusion of magnesium sulfate solution.
Hint

The patient is hypovolaemic after gastrointestinal losses; choose a fluid that resembles extracellular fluid and stays in the extracellular space.

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