Your child's health and safety is our top priority. Please search our resource library for information on health, nutrition, fitness, injury prevention and other important topics.
For most kids, these birthmarks are no big deal — they're just part of who they are. Read about port-wine stains, how to care for them, and, if necessary, what treatments are available.
Postural orthostatic tachycardia syndrome (POTS) happens when the autonomic nervous system — which controls things like heart rate, blood pressure, and breathing — doesn't work as it should.
Pulmonary stenosis means the pulmonary 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.
Sclerotherapy is a procedure in which medicine is injected into blood vessels or lymph vessels to make them close. It's used to treat vascular malformations.
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.