This site is intended for healthcare professionals

Go to /sign-in page

You can view 5 more pages before signing in


Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Noonan's syndrome is associated with right-sided heart defects - in particular pulmonary artery stenosis, but also tetralogy of Fallot. By comparison Turner's syndrome is associated with left-sided heart defects.

There may be hypertrophic cardiomyopathy.

Mental retardation may occur in this condition, but is by no means a mandatory feature.

Related pages

Create an account to add page annotations

Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.