is a problem with the heart's electrical system controlling heartbeat.

is a rare syndrome causing heart defects and extra fingers or toes.

is a rare genetic condition causing heart defects and shortened limbs.

is a group of conditions affecting the heart and blood vessels.

is a rare cancer that starts in the heart's fibrous tissue.

is a rare cancer that starts in the heart's smooth muscle.

is a rare, usually noncancerous fatty growth in or around the heart.

is a rare cancer that starts in the heart’s tissues.

is a rare cancerous tumor of blood vessel cells in the heart.

is a condition where the heart sits in an unusual position.

is a rare cancer that starts in the heart's tissues.

is a hole in the heart wall present at birth.

is damage or dysfunction of one or more heart valves.

is a rare genetic condition affecting the heart and hand development.

is a rare inherited condition affecting heart rhythm and hand development.

is a rare inherited condition affecting the heart and hand development.

is a rare inherited disorder causing heart defects and hand differences.

is a rare disorder where abnormal proteins build up in organs.

is a rare immune system cancer involving abnormal antibody heavy chains.

is a rare genetic condition that can affect growth and development.

is a bony growth on the heel that can cause pain.

is a rare genetic disorder causing hearing loss and tooth enamel defects.

is an inherited condition causing hearing loss, enamel defects, and vision problems.

is a rare cow's milk allergy causing lung problems and anemia.