The home health LPN/LVN arrives at the home of a post-myocardial infarction client. The LPN/LVN notes that the client's right leg is swollen and the client is crying because she thinks a swollen leg indicates her heart is failing. Which of the following actions should the LPN/LVN take FIRST?

1. Ensure that the client is knowledgeable about the prescribed medication.
2. Assess for signs and symptoms of depression.
3. Contact the physician.
4. Instruct the client to elevate the leg.