Heart failure is a common and complex clinical syndrome that results from any functional or structural cardiac disorder, impairing ventricular filling or ejection of blood into the systemic circulation to meet the body's needs. Heart failure can be caused by several different diseases. Most heart failure patients present with symptoms due to left heart failure, 1. 2. Shortness of breath, dyspnea is the essential feature of CHF congestive heart failure. CHF is a malfunction of the heart as a blood pump. This results in insufficient oxygen supply to the tissues accompanied by fluid accumulation in the lungs. 3. This can come from either systolic dysfunction, which is low ejection fraction, or systolic dysfunction. Congestive heart failure: clinical case study. Case of congestive heart failure. HPI: MT, a 1-year-old female, presents to your office complaining of increasing shortness of breath. His dyspnea worsens with exercise and is relieved somewhat by rest. She had to sit up in bed to avoid feeling like she was “drowning.”