An abnormal heart murmur is more serious. In children, abnormal murmurs are usually caused by congenital heart disease. In adults, abnormal.
A heart murmur may indicate an aortic or mitral valve problem. A heart murmur refers to the sound—heard via stethoscope—made by turbulent blood flow within the heart. And so-called benign flow murmurs occur when blood flows faster than usual through the heart. In older adults, the.
In adults, most structural heart murmurs are caused by a heart valve that's not working properly. One possibility is mitral valve regurgitation.