A heart murmur is an extra or abnormal sound that happens when the heart pumps blood. Your child's healthcare provider can hear the murmur when listening to your child's heart with a stethoscope. Heart murmurs are common in children, and are most often a normal part of their growth. At some point, just about every child will have a heart murmur. A heart murmur usually doesn't mean that your child has a serious health issue. But in rare cases, a heart murmur can be a sign of a serious condition. That's why it's important for your child to see a cardiologist. A cardiologist can find out if your child's murmur is caused by a problem in his or her heart, or if it's nothing to worry about.
Aortic stenosis is when the aortic valve doesn't open all the way. reducing blood flow from the heart out to the body. It is usually a congenital heart defect.
Infective endocarditis (IE) is an infection of the lining of the heart or heart valves. It used to be known as bacterial endocarditis. IE can cause serious damage to the heart. For this reason, it must be treated right away. If your child has a heart problem, be sure to check with their healthcare provider about how to prevent this infection.
Kawasaki disease causes inflammation of the blood vessels, including those of the heart. It most often resolves without lasting damage. But, sometimes it can cause ongoing heart problems.