What is meant by congestive heart disease?

Poor heart function.: I am asumming you mean congestive heart failure. When the heart muscle is too weak to pump, fluid gets accumulated in the lungs, the legs and under the skin even intraabdominally and even in the scrotum. Pts. Get difficulty to breath and intolerance to physical effort that is progressive, associated to general fatigue. Has multiple causes.

CHF: Congestive heart failure is a complex syndrome of inadequate heart function leading to retention of fluid which may be in the lungs and cause breathlessness or may be in the legs and cause swelling. There are many causes such as blocked arteries, valve abnormalities, weakened heart muscle, abnormal stiffness with poor filling. High blood pressure is a common cause. Most patients are fatigued.