URMC / Encyclopedia / Content Search Encyclopedia Congenital Heart Disease Index There are many different congenital heart defects (i.e., heart defects present at birth) that require clinical care by a physician or other healthcare professional. Listed in the directory below are some, for which we have provided a brief overview. Overview of Congenital Heart Disease Fetal Circulation Factors Contributing to Congenital Heart Disease Genetic Disorders Associated with Congenital Heart Disease Heart Defects Causing Too Much Flow Through the Lungs Heart Defects Causing Too Little Blood Flow Through the Lungs Heart Defects Causing Obstruction to Blood Flow Complex Heart Problems Living With Congenital Heart Disease