Question

A 72-year-old woman with stage 4 chronic kidney disease (eGFR 22 mL/min/1.73 m²) presents with potassium 6.5 mmol/L, ECG showing peaked T waves and widened QRS. What is the most important immediate pharmacologic intervention?

Accepted Answer

Intravenous calcium gluconate

Answer

Oral sodium polystyrene sulfonate

Answer

Intravenous furosemide

Answer

Oral sodium bicarbonate

Answer

Start haemodialysis within 24 hours without acute measures

Practice question

A 72-year-old woman with stage 4 chronic kidney disease (eGFR 22 mL/min/1.73 m²) presents with potassium 6.5 mmol/L, ECG showing peaked T waves and widened QRS. What is the most important immediate pharmacologic intervention?