Question

A 70-year-old man with chronic kidney disease stage 3b has blood tests showing potassium 6.8 mmol/L. He is asymptomatic, but ECG shows tall tented T waves and slight widening of the QRS complexes. What is the single most appropriate immediate treatment?

Accepted Answer

Intravenous 10% Calcium Gluconate

Answer

Oral Calcium Resonium

Answer

Intravenous 0.9% sodium chloride alone

Answer

Low-potassium diet advice and repeat bloods tomorrow

Answer

Start oral loop diuretic only

Practice question

A 70-year-old man with chronic kidney disease stage 3b has blood tests showing potassium 6.8 mmol/L. He is asymptomatic, but ECG shows tall tented T waves and slight widening of the QRS complexes. What is the single most appropriate immediate treatment?