Question

A 63-year-old man with chronic kidney disease presents to the emergency department with weakness. ECG shows peaked T waves. Serum potassium is 6.8 mmol/L and creatinine 400 µmol/L. What is the most important immediate therapy?

Accepted Answer

Intravenous calcium gluconate.

Answer

Intravenous normal saline bolus only.

Answer

Oral sodium polystyrene sulfonate.

Answer

Start oral loop diuretics.

Answer

Immediate haemodialysis without other measures.

Practice question

A 63-year-old man with chronic kidney disease presents to the emergency department with weakness. ECG shows peaked T waves. Serum potassium is 6.8 mmol/L and creatinine 400 µmol/L. What is the most important immediate therapy?