A 68-year-old client was admitted with congestive heart failure, has been digitalized, and is now taking a maintenance dose of digoxin 0.25 mg PO daily. The client is to be discharged soon. Which assessment is of most immediate concern to the nurse?

B The client says that he is nauseous and has no appetite. C The client says that he will take his pill every morning. D The client has lost 8 lb since his admission one week ago. A The client's apical pulse is 66.