A number of heart conditions can affect children. Some are structural abnormalities they are born with. Others deal with the electrical system that controls the heartbeat. Concern about a heart problem often causes patients and parents a lot of anxiety. Many times, the symptoms described by children are not because of a problem with the heart. The following articles will give you information about common heart problems encountered in childhood. If you have a concern about your child's heart, please discuss it with your pediatrician.