**4.2.1 Symptoms**

The majority of children with valvar AS are asymptomatic and the AS is detected because of a cardiac murmur heard on routine auscultation. When symptoms are exhibited, dyspnea, easy fatigability or chest pain is presenting complaint. Syncope may be a presenting complaint in some children with severe AS. In contradistinction to children, neonates and young infants usually present with dyspnea and signs of heart failure.
