Question

A 74-year-old woman with CKD stage 4 presents with serum potassium 6.8 mmol/L and ECG showing tall peaked T waves. She is otherwise haemodynamically stable. What is the single most important immediate treatment?

Accepted Answer

Administer intravenous calcium gluconate

Answer

Give oral sodium polystyrene sulfonate

Answer

Start oral sodium bicarbonate

Answer

Give intravenous frusemide

Answer

Place her on a low-potassium diet and review tomorrow

Practice question

A 74-year-old woman with CKD stage 4 presents with serum potassium 6.8 mmol/L and ECG showing tall peaked T waves. She is otherwise haemodynamically stable. What is the single most important immediate treatment?