Final answer:
The presence of edema in a client with right-sided heart failure can be indicated by symptoms such as difficulty breathing and swelling of the subcutaneous tissues.
Step-by-step explanation:
The presence of edema in a client with right-sided heart failure can be indicated by several symptoms. One of these symptoms is difficulty breathing, as excess fluid in the lungs can compromise gas exchange. Another symptom is swelling of the subcutaneous tissues, which can lead to tightness in the extremities, such as the fingers.