A client is receiving a continuous intravenous infusion of heparin sodium to treat deep vein thrombosis. The client’s activated partial thromboplastin (aPTT) time is 65 seconds. The licensed practical...

A client is receiving a continuous intravenous infusion of heparin sodium to treat deep vein thrombosis. The client’s activated partial thromboplastin (aPTT) time is 65 seconds. The licensed practical nurse reviews the laboratory results with the registered nurse, anticipating that which action is needed?

1. Discontinuing the heparin infusion

2. Increasing the rate of the heparin infusion

3. Decreasing the rate of the heparin infusion

4. Leaving the rate of the heparin infusion as is