A nurse is assisting with obtaining an electrocardiogram (ECG) for a client who has atrial fibrillation. Which of the following actions should the nurse take? (Select all that apply.)

Keep the client NPO after midnight.

Wash the skin with plain water before placing the electrodes.

Administer an analgesic prior to the procedure.

Instruct the client not talk during the test.

Inspect the electrode pads.