Atrial Hole 
   There is a hole between left and right atriums in this disease that oxygenized blood of left atrium to enter the right atrium. In this disease, there is a large flow of blood in the right side of the heart (right atrium, right ventricle and pulmonary vessel). This disease shows fewer symptoms in children and because of auscultation murmur existence when examining, the disease is not diagnosed. Final diagnosis is possible through an echo cardiograph. 

    It is done in two methods, open heart surgery and catheterization.

   Valvular heart diseases
Valvular heart diseases happen when one or several valves of your heart do not work properly. There are four valves in a heart: tricuspid valve aortic valve, pulmonary valve, and mitral valve. These valves are once opened and closed by every heartbeat. Heart valves causes the blood to flow properly in atriums and other parts of the body. 

   Heart valves may generally encounter three main problems
  • Loosening of the heart valves or regurgitation causes blood to return back into the heart. This process has been done when the valve is not completely closed. 
  • Mitral valve stenosis: stenosis of the valve is formed when the leaflet heart valve tissue has been thickened or caught a stricture and stickiness. It causes the heart valves not become open completely and consequently there is not sufficient flow of blood through valves. 
  • Obstruction of heart valves: the valve of hear is completely closed in this situation and there is not any passage for the blood to be flowed. 

   Heart valve diseases symptoms
  • Shortness of breath and breath caught in the chest
  • Weakness and dizziness
  • Feeling of pain in the chest
  • Heart palpitation
  • Lower organs inflammation like tibia, foot, and abdomen