Question

A 70-year-old man presents with nausea and weakness. ECG shows peaked T waves. Serum potassium is 6.8 mmol/L, creatinine 320 µmol/L, and he is taking an ACE inhibitor and spironolactone. What is the most important immediate treatment?

Accepted Answer

Intravenous calcium gluconate

Answer

Oral sodium polystyrene sulfonate

Answer

Intravenous furosemide

Answer

Stop ACE inhibitor and spironolactone only

Answer

Insulin with dextrose alone without other measures

Practice question

A 70-year-old man presents with nausea and weakness. ECG shows peaked T waves. Serum potassium is 6.8 mmol/L, creatinine 320 µmol/L, and he is taking an ACE inhibitor and spironolactone. What is the most important immediate treatment?