label: congenital pulmonary valve stenosis
label_lc: congenital pulmonary valve stenosis
description: Congenital pulmonary stenosis (PS) is a congenital heart malformation that is characterized by a right ventricular outflow obstruction with a clinical presentation that may vary from critical stenosis presenting in the neonatal period to asymptomatic mild stenosis. The obstruction in PS can be at the valvular, subpulmonary, or supravalvular levels (valvular, subpulmonary, supravalvular PS).