Concentration problem
Fatigue and weakness
Irregular pulse
Lack of appetite
Persistent cough or wheezing
Reduced ability to exercise
Sudden rapid weight gain
Swelling (edema) in the legs, ankles, and feet
Cancer treatments like chemotherapy
Heart valve disease
Severe forms of anemia
Use of illicit drugs
Viral infection
Cardiac Electrophysiologist
Cardiologist
Cardiothoracic Surgeon