Question

A 72-year-old man with chronic kidney disease stage 3 presents with serum potassium 6.5 mmol/L on a repeat sample. ECG shows tall peaked T waves. He is otherwise stable. What is the most appropriate immediate treatment?

Accepted Answer

Give intravenous calcium gluconate

Answer

Stop his ACE inhibitor only and repeat potassium in 48 hours

Answer

Give oral calcium supplements

Answer

Start oral calcium resonium alone and review later

Answer

Start fluid restriction only

Practice question

A 72-year-old man with chronic kidney disease stage 3 presents with serum potassium 6.5 mmol/L on a repeat sample. ECG shows tall peaked T waves. He is otherwise stable. What is the most appropriate immediate treatment?