Question 299 · LEK · Emergencies and acute complications
How should potassium be supplemented intravenously in a patient with ketoacidosis?
- A. potassium should not be supplemented intravenously in a patient with ketoacidosis.
- B. potassium should be supplemented intravenously only when its serum concentration drops below 4.0 mmol/L.
- C. potassium should be supplemented intravenously only when its serum concentration drops below 3.5 mmol/L.
- D. potassium should be supplemented intravenously only when its serum concentration drops below 3.0 mmol/L.
- E. intravenous potassium supplementation should be started even when its serum concentration is higher than 4.0 mmol/L.
Hint
Total-body potassium is depleted in DKA and insulin drives potassium into cells; at what serum level do guidelines begin replacement?
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