Question 8 · LEK · Potassium balance
Which of the following should be given to a patient with hyperkalemia at the level of 7 mmol/l, if the ECG shows toxic influence of potassium on the heart muscle?
- A. 30 ml of 10% calcium gluconate iv.
- B. 30 ml of 10% calcium chlorate iv.
- C. 6 mg of adenosine iv.
- D. 500 ml of isotonic electrolyte solution iv.
- E. 2 g of magnesium sulfate.
Hint
With ECG signs of cardiotoxicity, the first drug stabilises the myocardial membrane rather than lowering potassium; check the dose too.
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