Which of the following statements is an appropriate nursing diagnosis for a client 80 years of age diagnosed with congestive heart failure, with symptoms of edema, orthopnea, and confusion?

Congestive Heart Failure related to edema as evidenced by edema and shortness of breath.

Fluid Volume Deficit related to congestive heart failure, as evidenced by poor urinary output.

Fluid Volume Excess related to loss of sodium and potassium as evidenced by low sodium and potassium levels shown in lab work.

Extracellular Volume Excess related to heart failure, as evidenced by edema and orthopnea.