<unk><unk>  stenosis is a dynamic or fixed obstruction of the flow from the right ventricle of the heart to the<unk>  artery.<unk><unk>  stenosis can be<unk>  by an isolated<unk> lar obstruction, subvalvular or supravalvular obstruction.  Narrowing of the<unk><unk>  can be congenital.  Other common<unk>  include carcinoid syndrome, congenital rubella syndrome or tetralogy of Fallot.
Pulmonary valve stenosis causes
Mitral stenosis causes
Mitral valve prolapse causes
Ventricular septal defect causes
Tricuspid stenosis causes
Patent ductus arteriosus causes
Left ventricular aneurysm causes
Aortic stenosis causes