A nurse is assessing a client with a history of myocardial infarction who is in the surgical unit following a gastric resection. The client has chest pains. The nurse obtains the electrocardiogram...

A nurse is assessing a client with a history of myocardial infarction who is in the surgical unit following a gastric resection. The client has chest pains. The nurse obtains the electrocardiogram (ECG) shown (see figure). What should the nurse do first?

1. Administer oxygen.

2. Inspect the client's incision.

3. Call the rapid response team.

4. Reposition the ECG electrodes.