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?

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

Fluid Volume Deficit related to inadequate fluid intake, as evidenced by confusion and poor skin turgor.

Impaired Gas Exchange related to fluid accumulation in the lungs, as evidenced by orthopnea and shortness of breath.

Risk for Falls related to confusion and weakness.