Question

A 68-year-old man with chronic kidney disease stage 3 presents with shortness of breath and palpitations. ECG shows tall peaked T waves and a widened QRS complex. Serum potassium is 6.8 mmol/L. What is the most important immediate treatment?

Accepted Answer

Intravenous Calcium Gluconate

Answer

Oral Sodium polystyrene sulfonate

Answer

Oral loop diuretic

Answer

Low-potassium diet and repeat blood test tomorrow

Answer

Insulin and dextrose without any membrane stabilisation

Practice question

A 68-year-old man with chronic kidney disease stage 3 presents with shortness of breath and palpitations. ECG shows tall peaked T waves and a widened QRS complex. Serum potassium is 6.8 mmol/L. What is the most important immediate treatment?