The nurse is preparing to administer phenytoin (Dilantin) intravenous push. The client has an IV of D5W 0.45 NS at 50 mL/hr. Which intervention should the nurse implement? 1. Administer the Dilantin...

The nurse is preparing to administer phenytoin (Dilantin) intravenous push. The client has an IV of D5W 0.45 NS at 50 mL/hr. Which intervention should the nurse implement?

1. Administer the Dilantin undiluted over 5 minutes via the port closest to the client. 2. Dilute the medication with normal saline (NS) and administer over 2 minutes. 3. Flush tubing with NS, administer diluted Dilantin, and then flush with NS. 4. Insert a saline lock in the other arm and administer the medication undiluted.