A client is diagnosed with cardiomyopathy. Which symptoms that are specific to cardiomyopathy will the nurse instruct the client to report to the health care provider?

a. Weight gain of 5 lbs. (2.3 kg) in one week
b. Petechiae on the roof of the mouth
c. Swollen lymph nodes
d. Shortness of breath at rest
e. Persistent cough