Question

A 68-year-old man with stage 3 chronic kidney disease (eGFR 45 mL/min/1.73 m²) presents with serum potassium 6.5 mmol/L, ECG showing peaked T waves, and mild weakness. What is the most appropriate immediate management step?

Accepted Answer

Administer intravenous calcium gluconate

Answer

Start oral sodium polystyrene sulfonate only

Answer

Give intravenous furosemide only

Answer

Observe and repeat the potassium in 6 hours

Answer

Start chronic low-potassium diet counselling only

Practice question

A 68-year-old man with stage 3 chronic kidney disease (eGFR 45 mL/min/1.73 m²) presents with serum potassium 6.5 mmol/L, ECG showing peaked T waves, and mild weakness. What is the most appropriate immediate management step?