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Aortic stenosis means the aortic valve is too small, narrow, or stiff. Many people have no symptoms, but kids with more severe cases will need surgery so that blood flows properly through the body.
Hypoplastic left heart syndrome (HLHS) is a birth defect of a baby’s heart. The left side of the heart doesn’t grow as it should, making it smaller and weaker than normal.
Usually, a heart has two working ventricles (pumping chambers). Having a single ventricle means that only one of the two ventricles works well enough to pump blood.
A cardiac catheterization is a procedure that cardiologists (heart doctors) do. They put a catheter (a long, thin tube) into a blood vessel, then guide it the heart.
Cardiac catheterizations help doctors diagnose and treat many different heart problems.
Hypoplastic left heart syndrome (HLHS) is a problem that happens when the left side of a baby’s heart doesn't form as it should. It’s smaller than normal and can’t pump enough blood to the body. After the baby is born, doctors can treat the problem with medicines and several surgeries.
