The nurse reviews a client’s electrolyte results and notes that the potassium level is 5.4 mEq/L (5.4 mmol/L). What should the nurse look for on the cardiac monitor as a result of this laboratory...

The nurse reviews a client’s electrolyte results and notes that the potassium level is 5.4 mEq/L (5.4 mmol/L). What should the nurse look for on the cardiac monitor as a result of this laboratory value?

 1. ST elevation 2. Peaked P waves 3. Prominent U waves 4. Narrow, peaked T waves