Heterotaxy syndrome is a complex syndrome that occurs when the axes of the body fail to rotate correctly when developing in the womb. This can result in many different organ systems being affected, and also means that each individual with heterotaxy is unique.
Read MoreThe ductus arteriosus is small blood vessel connecting the pulmonary artery to the aorta. In utero, the ductus arteriosus allows for blood to bypass the lungs and flow directly out to the body. Normally this structure closes within the first 72 hours of life.
Read MoreA patent ductus arteriosus (PDA) is an abnormal communication between the aorta and pulmonary artery that allows for oxygenated (red) blood to pass into the lungs.
Read MoreThe pulmonary valve connects the right ventricle and the pulmonary artery. When the heart squeezes, the valve opens, allowing blood to pass from the right ventricle to the pulmonary artery. When the heart relaxes, the valve closes, preventing backflow of blood into the heart.
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