Now you know what a wonderful and complex organ the heart is. If even one part of the heart does not do it's job well, the other parts will be harmed.
Diseases can affect different parts of the heart.
There may be defects in the normal growth and development of the heart even before a child is born , and many different parts of the heart may be abnormal. Sometimes, the heart muscle itself becomes weak and cannot pump blood effectively. The valves are meant to direct blood flow within the heart and arteries in one direction alone. When they are damaged, one of two things may happen. Many different conditions cause valve disease.