选择题：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.

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.

A.1.U waves

B.2.Absent P waves

C.3.Inverted T waves

D.4.Depressed ST segment