Branch Pulmonary Artery Stenosis
is characterized by small branch pulmonary arteries going to
the lungs. Below, you can see how this defect looks in the heart.
At right you can see how this
defect looks in a baby. The small pulmonary arteries create a
heart murmur. A heart murmur is a swishing or whistling
sound the doctor can hear when he listens to your child's heart
through a stethoscope. To learn more about heart murmurs, click here.