Question

A 63-year-old man with chronic kidney disease presents with a serum potassium of 6.8 mmol/L. His ECG shows tall peaked T waves and widening of the QRS complex. What is the single most urgent initial treatment?

Accepted Answer

Intravenous calcium gluconate

Answer

Intravenous insulin and dextrose

Answer

Nebulised salbutamol

Answer

Oral sodium polystyrene sulfonate

Answer

Haemodialysis

Practice question

A 63-year-old man with chronic kidney disease presents with a serum potassium of 6.8 mmol/L. His ECG shows tall peaked T waves and widening of the QRS complex. What is the single most urgent initial treatment?