Congenital heart disease Congenital heart disease is a problem
with the heart's structure and function that is present at
birth. Causes, incidence, and risk factors Congenital heart
disease (CHD) can describe a number of different problems
affecting the heart. It is the most common type of birth defect.
Congenital heart disease causes more deaths in the first year of
life than any other birth defects. Congenital heart disease is
often divided into two types: cyanotic (blue skin color caused
by a lack of oxygen) and non-cyanotic. The following lists cover
the most common congenital heart diseases: These problems may
occur alone or together. Most children with congenital heart
disease do not have other types of birth defects. However, heart
defects can be part of genetic and chromosome syndromes. Some of
these syndromes may be passed down through families. Often, no
cause for the heart disease can be found. Congenital heart
diseases continue to be investigated and researched. Drugs such
as retinoic acid for acn