Why does having a hole in the heart cause tiredness, breathlessness on exertion, and an enlarged heart?

Hole in the heart. Because the heart cannot work as well if there is a hole in it. What makes you ask the question? Surelty the doctor who is caring for you has discussed hole in the heart with you. If you are asking on behalf of a friend or family member please tell the above info.

Related Questions

Why is it that the "hole in the heart" condition causes tiredness, breathlessness on exertion, and an enlarged heart?

Due to pressure. Normal blood flow is one direction and controlled by valves in your heart and no direct comunication between r/l side of heart. Now if you have a hole then flow is not normal anymore. Some blood may bypass the lungs and not get enough oxygen. The pressure now is also different and can cause enlargement of chambers over a period of time. Need echo and see heart md. Read more...

If I have an enlarged heart due to hypertension along with angina, palpitations and breathlessness, does this mean I have heart disease?

Yes. . All heart disease is not created equal, however. Generally, when we talk about heart disease we are speaking if coronary artery disease, which at your tender years, you don't have. You could have a congenital cardiomyopathy or a viral cardiomyopathy of myopathy based on essential hypertension. An enlarged heart and high blood pressure is "heart disease". Talk with your cardiologist for clarifying. Read more...