A 68-year-old man with CKD stage 3b (eGFR 35 mL/min/1.73 m²) has serum potassium 6.2 mmol/L, peaked T waves on ECG but is alert and haemodynamically s...

Question

A 68-year-old man with CKD stage 3b (eGFR 35 mL/min/1.73 m²) has serum potassium 6.2 mmol/L, peaked T waves on ECG but is alert and haemodynamically stable. According to standard emergency management principles, what is the most urgent next step?

Accepted Answer

Administer intravenous calcium gluconate

Answer

Start oral sodium polystyrene sulfonate only

Answer

Restrict dietary potassium and recheck in the morning

Answer

Give loop diuretic alone

Answer

Arrange outpatient nephrology review

ca-mccqe1 MCQ (SBA): Hyperkalaemia

A 68-year-old man with CKD stage 3b (eGFR 35 mL/min/1.73 m²) has serum potassium 6.2 mmol/L, peaked T waves on ECG but is alert and haemodynamically stable. According to standard emergency management principles, what is the most urgent next step?