Heart Failure: Signs, Symptoms, Causes and Preventions You must have heard about heart failure and the scale of danger associated with it. But have you ever tried to dig your head deep into the details of the fatal medical condition? If not, this article is going to unseal the various details of Heart Failure. Heart failure or sometimes congestive heart failure is a deadly medical condition where the heart of the patient is not able to pump blood well enough to meet the requirements of his/her body parts. Subsequently, all the major functions of the body get disrupted. On a critical note, this condition may leave one’s heart weakened or stiffened, says Dr Ranjit Jagtap.