The nurse reviews a client’s electrolyte laboratory report and notes that the potassium level is 2.5 mEq/L (2.5 mmol/L). Which patterns should the nurse watch for on the electrocardiogram (ECG) as a result of the laboratory value? Select all that apply.
1. U waves
2. Absent P waves
3. Inverted T waves
4. Depressed ST segment
5. Widened QRS complex
1
1, 2, 4, 5
2
1, 3, 4
3
3 and 5
4
Only 1