When the left side of the heart is not able to pump enough blood forward the blood will back up into the lungs. This stops the rest of the body from receiving the oxygen its needs because the blood is in the lungs so tiredness and shortness of breath are very common.
Right Sided Heart Failure
When the right side of the heart is not able to pump efficiently. This causes blood to back up in the veins and other parts of the body causing swelling in the body including the legs and feet.
Causes can include heart attacks, heart muscle infections, drinking too much alcohol, high blood pressure and leaking or narrowed heart valves.
Symptoms may include a cough with blood -tinged mucus, shortness of breath,