A 75-year-old female client was recently started on low-dose digoxin and hydrochlorothiazide (HCTZ) for heart failure. The nurse is assessing the client during the visit to her primary health care provider. What is the purpose of prescribing digoxin and HCTZ for this client?
1) To reduce blood pressure
2) To improve cardiac output
3) To prevent fluid retention
4) To relieve chest pain