Question

A 60-year-old man on an ACE inhibitor for heart failure presents with serum potassium 6.8 mmol/L, ECG showing peaked T waves and widened QRS complexes. What is the most urgent initial treatment?

Accepted Answer

IV calcium gluconate

Answer

Oral sodium polystyrene sulfonate

Answer

Loop diuretic alone

Answer

Haemodialysis without stabilisation

Answer

Increase ACE inhibitor dose

Practice question

A 60-year-old man on an ACE inhibitor for heart failure presents with serum potassium 6.8 mmol/L, ECG showing peaked T waves and widened QRS complexes. What is the most urgent initial treatment?