The pathologic narrowing of the orifice of the PULMONARY VALVE. This lesion restricts blood outflow from the RIGHT VENTRICLE to the PULMONARY ARTERY. When the trileaflet valve is fused into an imperforate membrane, the blockage is complete.
Also Known As:
Pulmonary Stenosis; Stenosis, Pulmonary; Pulmonary Stenoses; Pulmonary Valve Stenoses; Pulmonic Stenosis; Stenoses, Pulmonary; Stenoses, Pulmonary Valve; Stenosis, Pulmonary Valve; Valvular Pulmonic Stenosis; Pulmonary Stenose; Pulmonic Stenoses; Pulmonic Stenoses, Valvular; Pulmonic Stenosis, Valvular; Stenose, Pulmonary; Stenoses, Pulmonic; Stenosis, Pulmonic; Valvular Pulmonic Stenoses