The client with bipolar disorder who is prescribed lithium (Eskalith), an antimania medication, is admitted to the psychiatric unit in an acute manic state. Which intervention should the nurse...

The client with bipolar disorder who is prescribed lithium (Eskalith), an antimania medication, is admitted to the psychiatric unit in an acute manic state. Which intervention should the nurse implement first?

1. Determine the client’s serum lithium level.

2. Assess why the client quit taking the lithium.

3. Implement care for the client’s physiological needs.

4. Administer a stat dose of lithium to the client.