A nurse is caring for a client who has a serum potassium

Last updated: 7/24/2022

A nurse is caring for a client who has a serum potassium level of 5.5 mEq/L. The provider prescribes polystyrene sulfonate. Which of the following ECG results should indicate to the nurse that the medication has been effective? A. Reduction of T wave amplitude B. Reduction of P wave duration C. Widening of the QRS complex D. Restoration of QRS complex amplitude