the symptoms of heart failure can include: congested lungs. fluid back up in the lungs can cause shortness of breath with exercise or difficulty breathing at rest which is often worse when lying flat in bed. fluid and water retention. this results in swollen ankles legs and abdomen (called edema) and weight gain. dizziness fatigue and weakness. less blood to your major organs and muscles makes you feel tired and weak. less blood to the brain can cause dizziness or confusion. rapid or irregular heartbeats. the heart beats faster to pump enough blood to the body. if you have heart failure you may have one or all of these symptoms or you may have none of them. in addition your symptoms may not be related to how weak your heart is.
what are the symptoms of heart failure?