Heart Failure is a condition in which heart unable to pump blood to meet the requirement of the body. Weakening of the heart muscles due to age or other disorders leads to heart failure.Heart Failure, also called congestive heart failure, is when the heart can't keep up with its workload. Shortness of breath, persistent coughing or wheezing, Buildup of excess fluid in body tissues, fatigue are some of the major signs of heart failure.