What Is Hypoplastic Left Heart Syndrome?
Hypoplastic left heart syndrome occurs when parts of the left side of the heart (mitral valve, left ventricle, aortic valve, and aorta) do not develop completely. The condition is congenital (present at birth).
Alternative Names
HLHS
Causes, incidence, and risk factors
Hypoplastic left heart is a rare type of congenital heart disease. It is more common in males than in females.
As with most congenital heart defects, there is no known cause. Approximately 10% of patients with hypoplastic...
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