Practice question

Answer the question and get instant feedback.

MediumNephrologySevere hyperkalaemiaau-acemau-racpau-amc

A 55-year-old man with long-standing hypertension presents with lethargy and muscle weakness. ECG shows peaked T waves. Serum potassium is 6.8 mmol/L and creatinine 220 µmol/L. Which is the most important immediate treatment to reduce the risk of life-threatening arrhythmia?

Educational content. Not a substitute for clinical judgement or local policy.